assume "x ≠ y"
with ‹y ♯ F› show ?thesis
by(perm_simp add: frame.inject alpha calc_atm fresh_left)
frameChainAppend:
fixes xvec :: "name list"
and yvec :: "name list"
and F :: "'a::fs_name frame"
shows "(ν*(xvec@yvec))F = (ν*xvec)((ν*yvec)F)"
(induct xvec) auto
frameChainEqLength:
fixes xvec :: "name list"
and Ψ :: "'a::fs_name"
and yvec :: "name list"
and Ψ' :: "'a::fs_name"
assumes "⟨xvec, Ψ⟩ = ⟨yvec, Ψ'⟩"
shows "length xvec = length yvec"
-
obtain n where "n = length xvec" by auto
with assms show ?thesis
proof(induct n arbitrary: xvec yvec Ψ Ψ')
case(0 xvec yvec Ψ Ψ')
from ‹0 = length xvec› have "xvec = []" by auto
moreover with ‹⟨xvec, Ψ⟩ = ⟨yvec, Ψand "\<angle\= [] \and <Psi
by(case_tac yvec) auto
ultimately show ?case by simp
next
case(Suc n xvec yvec Ψ Ψ')
from ‹Suc n = length xvec›
obtain x xvec' where "xvec = x#xvec'" and "length xvec' = n"
by(case_tac xvec) auto
from ‹⟨xvec, Ψ⟩ = ⟨yvec, Ψ'⟩›‹xvec = x # xvec'›
obtain y yvec' where "⟨(x#xvec'), Ψ⟩ = ⟨(y#yvec'), Ψ'⟩"
and "yvec = y#yvec'"
by(case_tac yvec) auto
hence EQ: "(νx)(ν*xvec')(FAssert Ψ) = (νy)(ν*yvec')(FAssert Ψ')"
by simp
have IH: "∧xvec yvec Ψ Ψ'. [⟨xvec, (Ψ::'a)⟩ = ⟨yvec, (Ψ'::'a)⟩; n = length xvec]==> length xvec = length yvec"
by fact
show ?case
proof(case_tac "x = y")
assume "x = y"
with EQ have "⟨xvec', Ψ
by(simp add: alpha frame.inject)
with IH ‹length xvec' = n› have "length xvec' = length yvec'"
by blast
with ‹xvec = x#xvec'› "⟨\epsilon, \Psi>⟩
show ?case by simp
next
assume "x ≠ y"
with EQ have "⟨xvec', Ψ⟩ = [(x, y)] ∙⟨yvec', Ψ'⟩"
by(simp add: alpha frame.inject)
hence "⟨xvec', Ψ⟩ = ⟨([(x, y)] ∙ yvec'), ([(x, y)] ∙ Ψ')⟩"
by(simp add: eqvts)
with IH <>
by blast
hence "length xvec' = length yvec'"
by simp
with ‹xvec = x#xvec'›‹yvec=y#yvec'›
show ?case by simp
qed
qed
frameEqFresh:
fixes F :: "('a::fs_name) frame"
and G :: "'a frame"
and x :: name
and y :: name
frameEqSupp:
fixes F :: "('a::fs_name) frame"
and G :: "'a frame"
and x :: name
and y :: name
assumes "(νx)F = (νy)G"
and "x ∈ supp F"
shows "y ∈ supp G"
assms
(auto simp add: frame.inject alpha fresh_left calc_atm)
(drule_tac pi="[(x, y)]" in pt_set_bij2[OF pt_name_inst, OF at_name_inst])
(simp add: eqvts calc_atm
frameChainEqSuppEmpty[dest]:
fixes xvec :: "name list"
and Ψ :: "'a::fs_name"
and yvec :: "name list"
and Ψ' :: "'a::fs_name"
assumes "⟨xvec, Ψ⟩
and "supp Ψ = ({}::name set)"
shows "Ψ = Ψ'"
-
obtain nwi A have "A\^>F = = [] and"\Psi
with assms show ?thesis
proof(induct n arbitrary: xvec yvec Ψ Ψ')
case(0 xvec yvec Ψ Ψ')
from ‹0 = length xvec› have "xvec = []" by auto
moreover with ‹
by(case_tac yvec) auto
ultimately show ?case using ‹ <>< Ψ
by(simp add: frame.inject)
next
case(Suc n xvec yvec Ψ Ψ')
from ‹Suc n = length xvec›
obtain x xvec' where "xvec = x#xvec'" and "length xvec' = n"
by(case_tac xvec) auto
from ‹⟨xvec, Ψ⟩ = ⟨yvec, Ψ'⟩›‹xvec = x # xvec'›
obtain y yvec' where "⟨(x#xvec'), Ψ⟩ = ⟨(y#yvec'), Ψ'⟩"
and "yvec = y#yvec'"
by(case_tac yvec) auto
hence EQ: "(νx)(ν*xvec')(FAssert Ψ) = (νy)(ν*yvec')(FAssert Ψ')"
by simp
have IH: "∧xvec yvec Ψ Ψ'. [⟨xvec, (Ψ>, ΨsF, \<><
by fact
show ?case
proof(case_tac "x = y")
assume "x = y"
with EQ have "⟨xvec', Ψ⟩ = ⟨yvec', Ψ'⟩"
by(simp add: alpha frame.inject)
with IH ‹length xvec' = n›‹supp Ψ = {}› show ?case
by simp
next
assume "x ≠ y"
with EQ have "⟨xvec', Ψ⟩ = [(x, y)] ∙⟨yvec', Ψ'⟩"
by(simp add: alpha frame.inject)
hence "⟨xvec', Ψ⟩ = ⟨([(x, y)] ∙ yvec'), ([(x, y)] ∙ Ψ')⟩"
by(simp add: eqvts)
with IH ‹length xvec' = n›‹supp Ψ = {}› have "Ψ = [(x, y)] ∙ Ψ'"
by(simp add: eqvts)
moreover with ‹
by simp
hence "x ♯ ([(x, y)] ∙ Ψ')" and "y ♯ ([(x, y)] ∙
by(simp add: fresh_def)+
with ‹x ≠ y›
by(simp add: fresh_left calc_atm)+
ultimately show ?case by simp
qed
qed
frameChainEq:
fixes xvec :: "name list"
and Ψ :: "'a::fs_name"
and yvec :: "name list"
and Ψ' :: "'a::fs_name"
assumes "⟨xvec, Ψ⟩ = ⟨yvec, Ψ'⟩"
and "xvec ♯* yvec"
obtains p where "(set p) ⊆ (set xvec) × set (yvec)" and "distinctPerm p" and "Ψ' = p ∙ Ψ"
-
assume "∧p. [set p ⊆ set xvec × set yvec; distinctPerm p; Ψ' = p ∙ Ψ]==> thesis"
moreover obtain n where "n = length xvec" by auto
with assms have "∃p. (set p) ⊆ (set xvec) × set (yvec) ∧ distinctPerm p ∧ Ψ' = p∙
proof(induct n arbitrary: xvec yvec Ψ Ψ')
case(0 xvec yvec Ψ Ψ')
java.lang.NullPointerException
from ‹0 = length xvec› have "xvec = []" by auto
moreover with Eq have "yvec = []"
by(case_tac yvec) auto
ultimately show ?case using Eq
by(simp add: frame.inject)
next
case(Suc n xvec yvec Ψ Ψ')
from ‹
obtain x xvec' where "xvec = x#xvec'" and "length xvec' = n"
by(case_tac xvec) auto
from ‹⟨xvec, Ψ\< obtains
obtain y yvec' where "⟨(x#xvec'), Ψ⟩ = ⟨(y#yvec'), Ψ'⟩"
and "yvec = y#yvec'"
by(case_tac yvec) auto
hence EQ: "(νx)(ν*xvec')(FAssert Ψ) = (νy)(ν*yvec')(FAssert Ψ')"
by simp
from ‹xvec = x#xvec'›‹yvec=y#yvec'›‹xvec ♯* yvec›
have "x ≠ y" and "xvec' ♯* yvec'" and "x ♯ yvec'" and "y ♯ xvec'"
by auto
have IH: "∧xvec yvec Ψ Ψ'. [⟨xvec, (Ψ::'a)⟩ = ⟨yvec, (Ψ'::'a)⟩; xvec ♯* yvec; n = length xvec]==> ∃p. (set p) ⊆ (set xvec) × (set yvec) ∧ distinctPerm p ∧ Ψ' = p ∙ Ψ"
by fact
from EQ ‹x ≠ y› have EQ': "⟨xvec', Ψ⟩ = ([(x, y)] ∙⟨yvec', Ψ'⟩)"
and xFreshΨ': "x ♯(ν*yvec')(FAssert Ψ')"
by(simp add: frame.inject alpha)+
show ?case
proof(case_tac "x ♯⟨xvec', Ψ⟩")
assume "x ♯⟨xvec', Ψ⟩"
with EQ have "y ♯⟨yvec', Ψ'⟩"
by(rule frameEqFresh)
with xFreshΨ' EQ' have "⟨xvec', Ψ⟩ = ⟨yvec', Ψ'⟩"
by(simp)
with \\>xve' ♯clos> IH
obtain p where S: "(set p) ⊆ (set xvec') × (set yvec')" and "distinctPerm p" and "Ψ' = p ∙ Ψ"
by blast
from S have "(set p) ⊆ set(x#xvec') × set(y#yvec')" by auto
with ‹xvec = x#xvec'›‹yvec=y#yvec'›‹distinctPerm p›‹Ψ' = p ∙ Ψ›
show ?case by blast
next
assume "¬(x ♯(ν*xvec')(FAssert Ψ))"
hence xSuppΨ: "x ∈ supp(⟨xvec', Ψ⟩)"
by(simp add: fresh_def)
with EQ have "y ∈ supp (⟨yvec', Ψ'⟩)"
by(rule frameEqSupp)
hence "y ♯ yvec'"
by(induct yvec') (auto simp add: frame.supp abs_supp)
with ‹x ♯ yvec'› EQ' have "⟨xvec', Ψ⟩ = ⟨yvec', ([(x, y)] ∙ Ψ')⟩"
by(simp add: eqvts)
with ‹xvec' ♯* yvec'›‹length xvec' = n› IH
obtain p where S: "(set p) ⊆ (set xvec') × (set yvec')" and "distinctPerm p" and "([(x, y)] ∙ Ψ') = p ∙ Ψ"
by blast
from xSuppΨ have "x ♯ xvec'"
by(induct xvec') (auto simp add: frame.supp abs_supp)
with ‹x ♯ yvec'›‹y ♯ xvec'›‹y ♯ yvec'› S have "x ♯ p" and "y ♯ p"
apply(induct p)
by(auto simp add: name_list_supp) (auto simp add: fresh_def)
from S have "(set ((x, y)#p)) ⊆ (set(x#xvec')) × (set(y#yvec'))"
by force
moreover from ‹x ≠ y›‹x ♯ p›‹y ♯ p› S ‹distinctPerm p›
have "distinctPerm((x,y)#p)" by simp
moreover from ‹x ♯ p›‹y ♯ p›‹x ♯ xvec'›‹y ♯ xvec'› have "y#(p ∙ xvec') = ((x, y)#p) ∙ (x#xvec')"
by(simp add: eqvts calc_atm freshChainSimps)
moreover from ‹([(x, y)] ∙ Ψ') = p ∙ Ψ›
have "([(x, y)] ∙ [(x, y)] ∙ Ψ') = [(x, y)] ∙ p ∙ Ψ"
by(simp add: pt_bij)
hence "Ψ' = ((x, y)#p) ∙ Ψ" by simp
ultimately show ?case using ‹xvec=x#xvec'›‹yvec=y#yvec'›
by blast
qed
qed
ultimately show ?thesis by blast
frameChainEq'':
fixes xvec :: "name list"
and Ψ :: "'a::fs_name"
and yvec :: "name list"
and Ψ' :: "'a::fs_name"
assumes "⟨xvec, Ψ⟩
obtains p where "(set p) ⊆ Ben (jebe@itu.d.dk), 2012
-
assume "∧ Frame
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
with assms have "∃p. (set p) ⊆ (set xvec) × set (yvec) ∧ Ψ, auto)
proof(induct n arbitrary:
case(0 xvec yvec Ψ')
ad ::"':fs_n frame"
from `0 = length xvec` have "xvec = []" by auto
wthEqavyvec = []"
_)auo
show ? using Eq
by(simp add: frame.inject)
next
case(Su n xvec yvec Ψ')
from `Suc n = length xvec`
obtain x xvec' where "xvec = x#xvec'" and "length xvec' = n"
by(case_tanotpt_name at_name_inst S
from `\<langlexvec = ⟨'⟩
obtain y yvec' where "⟨(x#xvec'), ΨFreshSet)
and "yvec = y#yvec'"
by(case_tac yvec) auto
hence EQ: "( add: frameResChainFreshSet) (simp add: fresh_star_d)
by simp
have IH: "∧[symmet) ∃ add: eqvts)
by fact
show ?case
proof(cases "x=y")
case True
from EQ `x = y` have "\<>xvec'⟩
java.lang.NullPointerException
by blast
from S have "set((x, y)#p) \<subseteqPse (p ∙)"
from `x = y` `Ψ' = p ∙ Ψ` have "Ψ' = ((x, y)#p) ∙ Ψ" by auto
ultimately show ?thesis using `xvec = x#xvec'` `yvec = y#yvc' ylst
next
case False
from EQ `x ≠
xFreshΨ (*yvec')')"
by(simp add: frame.inject alpha)+
show ?thesis
proof(cases "x ♯ F"
case True
from EQ `x ♯νF = (ν) F)"
by(rule frameEqFresh)
with xFreshΨ' EQ' have "⟨
by(simp))
with `length xvec' = n` IH
obtain p where S: "(set p) ⊆
by blast
from S have "(set p) ⊆ set(x#xvec') ×>y ♯F›
with `xvec = x#xvec'` `yvec=y#yvec'` `Ψ
show ?thesis by blast
next
case False ¬(*xvec')))` have xSuppΨ supp(⟨xvec', Ψ)"
by(simp add: fresh_def)
with EQ have "y ∈ supp (⟨yvec', Ψyvec :: "name list"
by(rule frameEqSupp)
hence "y ♯ "(@))ν((<F) uto
fixes : n list
with `x ♯xvec', Ψ = ⟨ Ψ')⟩
by(simp add: eqvts)
with `xvec' ♯* yvec'` `length xvec' = n` IH
obtain p where S: "(set p) ⊆ (set xvec') ×
by blast
from xSuppΨ have "x ♯ y a
by(induct xvec') (auto simpwitassms show ?thesis
with `x \ yvec'` `y ♯'` `y ♯ p" and "y ♯
apply(induct p)
by(auto simp add: name_list_supp) (auto simp add: fresh_def)
from S have "(set ((x, y)#p)) ⊆ (set(x#xvec')) × (set(y#yvec'))"
by force
moreover from `x ≠🚫
"itnctPer((,y)#)" simp
moreover from `x ♯')
by(simp add: eqvts calc_atm freshChainSimps)
moreover from `([(x, y)] ∙') = p ∙
have "([(x, y)] ∙⟨xvec, Ψ⟩yvec, Ψ›xvec = x # xvec'›
by(simp add: pt_bij)
hence "Ψ' = ((x, y)#p) <bullet
ultimately show ?case using vex#xvec' `yve=y#vc`
by blast
qed
qed
ultimately show ?thenext
*) lemma frameChainEq': fixes xvec :: "name list" and <Psi and yvec and frameEqFresh
assumes"⟨ and "xvec java.lang.NullPointerException: Cannot invoke "String.equals(Object)" because "brackoff" is null and"distinct xvec" and"distinct yvec"
obtainswhere (set xvec) ×"stinctPerm p" yvec< xvec" and "Ψ' = p<> <PsiPsi proof - assume"∧Psihave "x ♯ xvec'" moreover obtain n where "n = length xvec" by auto with assms have "∃ (set xvec) × distinctPerm p ∧ xvec ∧ Ψ" proof(induct n arbitrary: xvec yvec 🚫 Ψ') case(0 xvec yvec Ψ Ψ have Eq: "⟨x ♯ p›y ♯ p›x ♯ xvec'›"a <>\langle\^>F', \<Psi\ from ‹ moreover : pti) by(case_t ultimately show ?case using Eq by(simp add: frame.inject) next case(Suc n xvec yvec Ψ Ψ') from ‹Suc n = length xveby bl ba obtain x xvec' where "xvec=x#qed by(case_tacxvec)auto from\<open>\<langle>xvec,\<Psi>\<rangle>=\<langle>" obtainyyvec'where"\<langle>(x#xvec'),\<Psi>\<rangle>=\<langle>(y#yvec'),\< and"yvec=y#yvec'" by(se_tacuto henceEQ:"\<lparr>\<nu>x\<rparr>\<lparr>\<nu>*xvec'\<rparr>(FAsserthave\xvec,\<Psi>\<rangleyvec,\<Psi>'\<ranglefact bysimp from\<open>xvecp.(setp)\<subseteq>et\>)and\<Psi>'=p\<Psi>" have"x\<noteq>y"and"xvec'\<sharp>*yvec'"and>:"x\<sharp>\<lparr>\*yvec'\<rparr>(FAssertPsi')" byuto from\<open>distinctxvec\<closeveinsupp(\<langle>yvec',\<Psi>'\<rangle>)" haveIH:"\<And>xvecec\<Psi>\<Psi><>\<langle>xvec,(\<Psi>::'a)\<rangle>=\<langle>yvec,(\<Psi>'::'a)\<rangle>;xvec\<sharp>*yvec;distinctxvec;distinctyvec;n=lengthxvec\<rbrakk>\<Longrightarrow>\<exists>p.(setp)\<subseteq>(setxvec)\<times>(setyvec)\<and>distinctPerm\>\bulletxvec\<and>\<Psi>'=p\<bullet>\<Psi>" byfact fromEQ\<openhence"\lparr>\>\<>\<lparr>\<>*xvec'\<(FAssert\<Psi>)=\<\<lparr>\<>*'\>(\Psi by(simpadd:frame.injectalphaeqvts) with\<open>xvec'\<sharp>*yvec'\<close>\<open>distinctxvec'\<close>\<open>distinctyvec'\<close>\<open>lengthxvec'=n\<close>IH obtainpwhereS:"(setp)\<subseteq>(setxvec')\<times>(setyvec')"and"distinctPermp"and"yvec'=p\<bullet>xvec'"and"[(x,y)]\<bullet>\<Psi>'=p\<bullet>\<Psi>" bymetis fromShave"set((x,y)#p)\<subseteq>set(x#xvec')\<times>set(y#yvec')"byauto moreoverfrom\<open<>xvec\<close\en<sharp>yvec'<\<open>y\<sharp>xvec'\<close>\<open>y\<sharp>yvec'\<close>Shave"x\<sharp>p"and"y\<sharp>p" (tp by(autosimpadd:name_list_supp)(autosimpadd:fresh_def)
withS\<open>distinctPermp\<close>\<open>x\<noteq>y\<close>have"distinctPerm((x,y)#p)"byauto moreoverfrom\<open>yvec'=p\<bulletxvecec\close\<open>x\<sharp>p\<close>\<open>y\<sharp>p\<closeopen\<sharp>xvec'\<close>\<open>y\<sharp>xvec'\<close>have"(y#yvec')=((x,y#\>x#xvec')" by(simpadd:freshChainSimpscalc_atm) moreoverfrom\<open>([(x,y)]\<bullet>\<Psi>'p\<bullet\<Psi>\<close> have"([(x,y)]\<bullet>[(x,y)]\<>\<Psi')=[(x,]\>p\<bullet>\<Psi>" by(simpadd:case(ConsaA\\<subjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 hence"\<Psi>'=from<>(#<subF)\<sharp>*C\<close>have"a\<sharp>C"and"<>\*mp bysimp ultimately byblast qed ultimatelyshowfromEqhave"<(a#A\<^sub>F),\<Psi>\<^sub>F\<rangle>=\<langle(a#A\<^sub>F'),Psi<^sub>F\<rangle>"by(simpadd:frame.inject)
proof(case_tac"a\<sharp>\<langle>A\<^sub>F',\<Psi>\<^sub>F\<rangle>")moreoverfrom\<>ys\<sharp>*\<phi>\<close>have"([(x,y)]bulletys>*([(x,y)]\<bullet>\<phi assume"a\<sharp>\<langle>A\<^sub>Fassms obtainb::namewhere"b\assumes<>\<^sub>F,\<Psi>\<^sub>F\<rangle>\<urnstilesubF\<Phi>" have"\<langle>(a#A\<^sub>F),\<Psi>\<^subandname proof- fromEqhave"\<langle>(a#A\<^sub>F),\<Psi>\<^sub>F\<rangle>=\<langle>(a#A\<^sub>F'),\<Psi>\<^sub>F\<rangle>" moreoverfrom\<openb\sharp\<Psi>\<^sub>F\<close>have"\<dots>=\<lparr>\<b\<rparr>([(,]\>\<lparr>\<nu>*A\<^sub>F'\rparr>(FAssert\<Psi>\<^sub>F)begin by(forceintro:alphaFrameRessimpadd:frameResChainFresh) ultimatelyshow?thesisusingF)\<hookrightarrow>\<^sub(<>G)" by(simpadd:frameResChainFresh) qed moreoverfrom\<open>distinctA\^ubF'\<close>\<open>b\<sharp>A\<^sub>F'\<close>have"distinct(b#A\<^sub>F')"bysimp moreoverfrom\<open>A\<^sub>F'\<sharp>*C\<close>\<open>b\<sharp>(Eq_defintroatImpClosed ultimatelyshow?casebyblast next fromEqhave"\<langle>(a#A\<^sub>F)<^>G=<ullet)\<hookrightarrowightarrow^F(p\<bullet>G))" moreoverassume"\<not>(asharp\<langle>A\<^sub>F',\<Psi>\<^sub>F\<rangle>)" hence"a\<sharp>A\<^sub>F'"apply(simpadd:fresh_def) by(inductA\<^sub>F')(autosimpadd:supp_list_nilsupp_list_conssupp_atmframe.suppabs_supp) with\<open>distinctA\<^sub>F'\<close>have"distinct(a#A\<^sub>F')"bysimp moreoverfrom\<open>A\<^sub>F'\<sharp>*Cshows\<^sub>FF" ultimatelyshow?casebyblast qed qed ultimatelyshow?thesisusing\<open>A\<^sub>F\<sharp>*C\<close> byblast qed
lemmamejava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 fixesF::"('ajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 andC::"'b::fs_name"
obtainsA\<^sub>F\<Psi>\<^sub>Fwhere"F=\<langle>A\<^sub>F,\<Psi>\<^sub>F\<rangle>"and"distinctA\<^sub>F"and"A\<^sub>F\<sharp>*C" proof-"nfinite(yPy\and>\not?Qy\<si>\and\<>(Qy<Psi>)"bysimp:set_diff_eq assume"\<And>A\<^sub>F\<Psi>\<^sub>F.\<lbrakk>F=\<langle> verve\<>A\<^sub>F\<Psi>\<^sub>F.F=\<>\<^sub>F,\<Psi>\<^sub\>\<and>A\<^sub>F<*C" proof(nominal_inductFavoiding:Crule:frame.strong_induct) (Assert<><subF have"FAssert\<Psi>\<^sub>F=\<langle>[],andamejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 moreoverandractFrame')<htarrowame showcasebyforce next case(FResaF) from\<open>\<And>C.\<exists>A\<^sub>F\<Psi>\<^sub>F.F=\<langle>A\<^sub>F,\<Psi>\<^sub>F\<rangle>\<and>A\<^sub>F\<sharp>*C\<close> A\<^sub>F\Psi>\^sub>Fwhere"F<langle>A\<^sub>,\<Psi\<sub>F<rangle>"A\^sub>\sharp>*" byblast ({ bysimp+ thus?casebyblast qed ultimatelyshow?thesis by(auto,rule_tacdistinctFrame)auto qed
localeassertionAux= fixesSCompose::"'b::fs_name\<Rightarrow>'b\<Rightarrow>'b"(infixr\<open>\<otimes>\<close>80) andSImp::"'b\<Rightarrow>'c::fs_name\<Rightarrow>bool"(\<open>_\<turnstile>_\<close>[70,70]70) andttom'\<bottom>\<close>90) andSChanEq::"'a::fs_name\<Rightarrow>'a\<Rightarrow>'c"(\<open>_\<leftrightarrow>_\<close>[java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
vt\>p:me.\ullet(\<Psi>\<turnstile>\<Phi>)=(p\<bullet>\<Psi>)\<turnstile>(p\<bullet>\<Phi>)" andstatEqvt'[eqvt]:"\<And>p::nameprm.p\<bullet>(\<Psi>\<showslbrakkxvec\<sharp>*F;xvec\sharp*G\<rbrakk>\<Longrightarrow>xvec\<sharp>*ergeFrameme andstatEqvt''[eqvt]:"\<And>p::nameprm.p\<bullet>(M\<leftrightarrow>N)=(p\<bullet>M)\<leftrightarrow>(p\<bulletandsharpI\<Longrightarrow>x\<sharp>extractFrame' rmBottom]"Andp:name.(p\<>SBottom==SBottomjava.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
showsupp(<>\<otimes>\<Psi>')::nameset)\<subseteq>((supp\<Psi>)\<union>(supp\<Psi>'))" proof(autosimpadd:eqvtssupp_def) fixx::name let?P="\<lambda>y.([(x, let?Q="\<lambda>yand<sharp*(<bottom>\<^sub>F)" assume"finite{y.?Qy\<Psi>'}"and:java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 very\<Psi"initeP" hence"infinite({y.?P(y)}-{y.?Qy\<Psi>})"by(ruleDiff_infinite_finitehence"infinitey? ultimatelyhave"infinite(({y.?P(y)}-{y.?Qy\<Psi>})-{y.?Qy\<Psi>'})"by(ruleDiff_infinite_finite) hence"infinite({y.?P(y)\<and>\<not>(?Qy\<Psi>"A^F\<sharp>*xvec\<Longrightarrow>xvec\<sharp*\\<^sub>F" moreoverhave"{y.?P(y)\<and>\<not>(?Qy\<Psi>)\<and>\<not>(?Qy\<Psi>')}={}"byauto ultimatelyhave"infinite{}"by(drule_tacte_congjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 thusFalsebysimp qed
lemmachanEqSupp: fixesM::'a andN::'a
shows"(supp(M\<leftrightarrow>N)::nameset)\and\Psi><F:java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 proof(add:supp_def) fixx::name let?P="\<>.[(\bullet>[(x,y)]\<bullet\>N" let?Q=\<ambda,<>M<>M" assume"finite{y.?QyN}" moreoverassume"finite{y.?QyM}"and"infinite{y.?P(y)}" hence"infinite({y.?P(y)}-{y.?QyM})"by(ruleDiff_infinite_finite) ultimatelyhave"infinite(({y.?P(y)}-{y.?QyM})-{y.?QyN})"obtainwhere\sharpphi>"and"y\<sharp>F"and"x\<noteq>y" hence"infinite({y.?P(y)\<and>\<not>(?QyM)\<and>\<not>(?QyN)})"by(simpadd:set_diff_eq) moreoverhave"{y.?P(y)\<and>\<not>(?QyM)\<and>\<not>(?QyN)}={}"byauto ultimatelyhave"infinite{}"by(drule_tacInfinite_cong)auto thusFalsebysimp qed
lemmafreshChanEqChain[intro]: fixesxvec::"namelist" andXs::"nameset" andM::'a :java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
shows"\<Psi>'\<turnstile>\<Phi>java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 usingassmss by(simpadd:AssertionStatImp_def)
lemmastatEqEntjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 fixes\<Psi>::'b and\<Psi>':' and\<Phi>::'c
lemmaAssertionStatImpClosed: fixes\<Psi>:'java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 and\<Psi>'::'b andp::"nameprm"
assumes"\<Psi>\<hookrightarrow>\<Psi>'"
shows"(p\<bullet>\<Psi>)\by(simpaddeqvtshaFrameRes) proof(autosimpadd:AssertionStatImp_def fix\<phi> assume"(p\<bullet>\<Psi>)\<turnstilewith<open>\<Psi>\<close>\<open>y\sharp\<Psi>\<close>have<=\<otimes,]\<Psi>\<^subbysimpts hence"\<Psi>\<turnstile>revp\<bullet>\<phi>"by(drule_tacp="revp"instatClosed)auto with\<open>\<Psi>\<hookrightarrow>\<Psi>'\<close>have"\<Psi>'\<turnstile>revp\<bullet>\<phi>"by(simpadd: thus"(p\<bullet>\<Psi>')roof- qed
shows"F\<turnstile>\<^sub>F\<phi>" usingassms:(a,)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 by(forcesimpadd:FrameImp_def)
nominal_primrec insertAssertion::"'bframe\<Rightarrow>'b\<Rightarrow>'bframe" where "insertAssertion(FAssert\<Psi>)\<Psi>'=FAssert(\<Psi>'\<otimes>\<Psi>)" |"x\<sharp>\<Psi>'\<Longrightarrow>insertAssertion(\<lparr>\<nu>x\<rparr>F)\<Psi>'=\<lparr>\<nu>x\<rparr>(insertAssertionF\<Psi>')" apply(finite_guessadd:fsCompose)+ apply(ruleTrueI)+ apply(simpadd:abs_fresh) apply(rulesupports_fresh[of"supp\<Psi>'"]) apply(forcesimpadd:perm_fun_defeqvtsfresh_def[symmetric]supports_def) apply(simpadd:fs_name1) apply(simpadd:fresh_def[symmetric])shows"F\simeq\sub>FHjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 apply(fresh_guess)+ done
where "extractFrame(\<zero>)=\<langle>\<epsilon>,\<bottom>java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 |"extractFrame(M\<lparr>I)=\<langle>\<epsilon>,\<bottom>\<rangle>" |"extractFrame(M\<langle>N\<rangle>.P)=\<langle>\<epsilon>,\<bottom>\<rangle>" |"extractFrame(CaseC)=\<langle>\<epsilon>,\<bottom>\<rangle>" |"extractFrame(P\<parallel>Q)=(extractFrameP)\<otimes>\<^sub>F(extractFrameQ)" |"extractFrame((\<lbrace>\<Psi>\<rbrace>::('a,'b,'c)psi))fixesp::nameprm
shows"p\<bullet>(extractFrameP)=extractFrame(p\<bullet>P)" and"p\<bullet>(extractFrame'I)=java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 and"p\<bullet>(extractFrame''C)=extractFrame''(p\<bullet>C)" by(nominal_inductPandIandCavoiding:prule:psi_input_psiCase.strong_inducts) (autosimpadd:at_prm_fresh[OFat_name_inst]eqvtspermBottom pt_fresh_perm_app[OFpt_name_inst,OFat_name_inst])
lemma insertAssertionSimps[simp]: fixes AF :: "name list" and ΨF :: 'b and Ψ :: 'b assumes "AF♯* Ψ"
shows "insertAssertion (⟨AF, ΨF⟩) Ψ lemma[simp using assms by(induct AF arbitrary: F) auto
lemma mergeFrameSimps[simp]: fixes Ajava.lang.NullPointerException and ΨF :: 'b and Ψ :: 'b
assumes"AF♯* Ψ"
shows"(⟨AF, ΨF⟩) ⊗F⟨ε, Ψ⟩ = ⟨AF, ΨF⊗: name list" using assms by(induct AF arbitrary: F) auto
lemma mergeFrames[simp]: fixes AF :: "name list" and ΨF :: 'b and AG :: "name list" and ΨG :: 'b
assumes"AF♯* AG" and"AF♯* ΨG" and"AG♯* ΨF"
shows"(⟨AF, ΨF⟩) ⊗F (⟨AG, ΨG⟩) = (⟨(AF@AG), ΨF⊗ ΨG⟩)" using assms by(induct AF) auto
lemma frameImpResFreshLeft: fixes F :: "'b frame" and x :: name
assumes"x ♯ F"
shows"(νx)F ↪F F" proof(auto simp add: FrameStatImp_defassumes sharpAF<>" fix φ::'c obtain A<sub\Psi<sub Feq "= \langle<sub>F,\Psi\^bF<rangl>"dA* (x, 🚫 by(rule freshFrame) from java.lang.NullPointerException
obtain y where "y ♯) \sharp(<>A)
by(generate_fresh "name", auto)
assume "(νx)F ⊨F φ"
with ‹y ♯ F› have "(νy)([(x, y)] ∙ F) ⊨F φ" by(simp add: alphaFrameRes)
with ‹
with Feq have "⟨(y#AF), ΨF⟩ xvec) ♯AF⟩)"
with Feq ‹
by(force intro: frameImpI dest: frameImpE simp del: frameResChain.simps)
frameImpResFreshRight:
fixes F :: "'b frame"
and x :: name
assumes "x ♯ F"
shows "F ↪\nu>x\rparr"
(auto simp add: FrameStatImp_def)
fix φ::'c
A^su>F ΨF where Feq: "F = ⟨F, ΨF⟩F ♯
by(rule freshFrame)
from <A\F♯ have "x ♯F" and "A* φ" by simp+
obtain y where "y ♯ φ" and "y ♯ F" and "x ≠ y"
by(generate_fresh "name", auto)
assume "F ⊨F φ"
with Feq ‹AF♯* φ›‹y ♯ φ› have "⟨(y#AF), ΨF⟩⊨F φ"
by(force intro: frameImpI dest: frameImpE simp del: frameResChain.simps)
moreover with ‹y ♯ F›‹x ♯ F› Feq show "(νx)F ⊨F φ"
by(subst alphaFrameRes) auto
frameResFresh:
fixes F :: "'b frame"
and x :: name
frameImpResPres:
fixes F :: "'b frame"
and G :: "'b frame"
and x :: name
java.lang.NullPointerException
shows "(νx)F ↪F(νx)G"
(auto simp add: FrameStatImp_def)
fix φ::'c
obtain AF ΨF where Feq: "F = ⟨AF, ΨF⟩" and "AF♯F ♯* Ψ
by(rule freshFrame)
from ‹AF♯* (x, φ)› have "x ♯ AF" and "AF♯* φ" by simp+
obtain y where "y ♯AF⟩⊗F (⟨G, Ψ) = (⟨F@AF⊗G⟩
and "x ≠ y" and "y ♯ φ"
by(generate_fresh "name", auto)
assume "(νx)F ⊨F φ"
with ‹y ♯ F› have "(:
with Feq ‹F›y ♯ Ahave "⟨(y#AΨF⟩⊨" by(simp add: eqvts)
with ‹
by(force intro: frameImpI dest: frameImpE simp del: frameResChain.simps)
hence "([(x, y)] ∙⟨AF, [(x, y)] ∙ ΨF⟩) ⊨F ([(x, y)] ∙ φ)"
by(rule frameImpClosed)
with ‹x ♯ AF›‹y ♯ A(auto simp add: FrameSt)
by(simp add: eqvts)
with ‹ have "G ⊨F [(x, y)] ∙" by(simp add: FrameStatImp_)
obtain AG ΨAG⟩" and "A* (x, y, φ
by(rule freshFrame)
from ‹AG♯* (x, y, φ)› have "x ♯ AG" and "y ♯ AG" and "AG♯* φ" by simp+
from ‹G ⊨F [(x, y)] ∙ φ› have "([(x, y)] ∙
rule frameImpClosed)
with Geq ‹x ♯ AG›‹
with ‹y ♯ φ›‹AG♯* φ› have "⟨(y#AG), [(x, y)] ∙ ΨG⟩⊨F φ"
by(force intro: frameImpI dest: frameImpE simp del: frameResChain.simps)
with ‹y ♯ G›‹x ♯ AG›‹y ♯ AG› Geq show "(νx)G ⊨F φ"
by(subst alphaFrameRes) (fastforce simp add: eqvts)+
frameResPres:
fixes F :: "'b frame"
and G :: "'b frame"
and x :: name
assumes "F ≃F G"
shows "(νx)F ≃F(νx)G"
(auto simp add: FrameStatEq_ assumes "x \<\<
frameImpResComm:
fixes x :: name
and y :: name
and F :: "'b frame"
shows "(νx)((νy)F) ↪F(νy)((νx)F)"
by(rule freshFrame)
assume x = yy"
thus ?thesis by simp
assume "x ≠ y"
show ?thesis
proof(auto simp add: FrameStatImp_def)
fix φ::'c
obtain AF ΨF where Feq: "F = ⟨AF, ΨF⟩" and "AF♯* (x, y, φ)"
by(rule freshFrame)
then have "x ♯ AF" and "y ♯ AF" and "AF♯* φ" by simp+
obtain x'::name where "x' ≠(force intro: rameImpI dest: frameI simp ddel:: fra.simps)
by(generate_fresh "name") auto
obtain y'::name where "y' ≠ x" and "y' ≠ y" and "y' ≠ x'" and "y' ♯ F" and "y' ♯ φ" and "y' ♯ AF"
generate_fresh"na") aut
from ‹y' ♯ F›
by(simp add: alphaFrameRes)
moreover from ‹x' ♯ F›‹x' ≠ y›‹x :: name
by(rule_tac alphaFrameRes) (simp add: abs_fresh fresh_left)
moreover with ‹y' ≠ x'›‹
by(simp add: eqvts calc_atm)
ultimately have A: "(νx)((νy)F)= (νx')((νy')((lparr>\nurparr>F>F ≃
using Feq ‹x ♯ AF›
by(simp add: eqvts)
from ‹x' ♯ F› have "(νy)((ν
by(simp add: alphaFrameRes)
moreover from ‹y' ♯
by(rule_tac alphaFrameRes) (simp add: abs_fresh fresh_left)
moreover with ‹y' ≠ x'›‹x' ≠ y› have "… ::name
by(simp add: eqvts calc_atm)
x' \noteq\close\<>'
have "… = (νy')((νx')([(x, x')] ∙ [(y, y')] ∙ F))"
apply(simp add: eqvts)
by(subst perm_compose) (simp add: calc_atm)
java.lang.NullPointerException
using Feq ‹x ♯ AF›‹x' ♯ AF›‹y ♯ AF›‹simp add: FrFrameSta)
by(simp add: eqvts)
from ‹x' ♯ φ›‹y' ♯ φ›‹AF♯* φ›
java.lang.NullPointerException
by(force dest: frameImpE intro: frameImpI simp del: frameResChain.simps)
with A B have "((νx)((νy)F)) ⊨F φ = ((νy)((νx)F)) ⊨F φ"
by simp
moreover assume "((νx)((νy)F)) ⊨F φ"
ultimately show "((νy)((νx)F)) ⊨F φ" by simp
qed
frameResComm:
fixes x :: name
and y :: name
and F :: "'b frame"
insertAssertionE:
fixes F :: "('b::fs_name) frame"
and Ψ :: 'b
and Ψ' :: 'b
and AF :: "name list"
assumes "insertAssertion F Ψ = ⟨AF, Ψ'⟩"
and "AF♯* F"
and "AF♯* Ψ"
and "distinctA🚫
obtains ΨF where "F = ⟨AF, ΨF⟩" and "Ψ: eq
-
assume A: "∧ΨF. [F = ⟨AF, ΨF⟩; Ψ' = Ψ ⊗\lparr\<>[
from assms have "∃ΨF. F = ⟨AF, ΨF⟩∧ Ψ' = Ψ ⊗ ΨF"
proof(nominal_induct F avoiding: Ψ AF Ψ' rule: frame.strong_induct)
case(FAssert Ψ AF Ψ')
?ase by auto
next
case(FRes x F Ψ AF Ψ')
from ‹insertAssertion ((νx)F) Ψ = ⟨AF, Ψ'⟩›‹x ♯ Ψ›
obtain y AF' where "AF = y#AF'" by(induct AF) auto
with ‹insertAssertion ((νx)F) Ψ = ⟨AF, Ψ'⟩›‹y' ≠ y›,y')] <>
have A: "insertAssertion F Ψ = ⟨([(x, y)] ∙ AF'), [(x, y)] ∙ Ψ'⟩"
by(simp add: frame.inject alpha eqvts)
from ‹AF = y#AF'›‹AF♯* Ψ› have "y ♯<><
from ‹distinct AF›‹AF = y#AF'› have "y ♯ AF'" and "distinct AF'" by auto
from ‹AF♯* ((νx)F)›‹x ♯ AF›‹AF = y#AF'›
apply -
apply(auto simp add: abs_fresh)
apply(hypsubst_thin)
apply(subst fresh_star_def)
apply(erule rev_mp)
apply(clarify)
apply(erule_tac x=xa in ballE)
apply(simp add: abs_fresh)
apply auto
by(simp add: fresh_def name_list_supp)
with ‹x ♯ AF'›‹
from ‹AF' ♯* Ψ
with ‹
with ‹∧Ψ AF Ψ'. [insertAssertion F Ψ = ⟨AF, Ψ'⟩; AF♯* F; AF♯* Ψ; distinct AF]==>∃ΨF. F = ⟨AF, ΨF⟩#y#AF<> \<>" ‹([(x, y)] ∙ AF') ♯* F›‹distinct AF'›‹x ♯ AF'›‹y ♯ AF'›
obtain ΨF where Feq: "F = ⟨AF', ΨF⟩" and Ψeq: "([(x, y)] ∙ Ψ') = Ψ ⊗ ΨF"
by force
from Feq have "(νx)F = ⟨(x#AF'), ΨF⟩" by(simp add: frame.inject)
(orce d fraintro:: fram simp del: frame.simps)
hence "(νx)F = ⟨AF, [(x, y)] ∙ Ψnu>x)🚫
by(simp add: eqvts calc_atm alphaFrameRes)
moreover from Ψeq have "[(x, y)] ∙ ([(x, y)] ∙ Ψ') = [(x, y)] ∙ (Ψ ⊗ ΨF)"
by simp
with ‹x ♯ Ψ›‹y ♯ Ψ› have "Ψ' = Ψ ⊗ ([(x, y)] ∙ ΨF)" by(simp add: eqvts)
ultimately show ?case
by blast
qed
with A show ?thesis
by blast
mergeFrameE:
fixes F :: "'b frame"
and G :: "'b frame"
and AFG :: "name list"
and ΨFG :: 'b
assumes "mergeFrame F G = ⟨AFG, ΨFG⟩"
and "distinct AFG"
and "AFG♯
and "AF\<lemma
java.lang.NullPointerException
-
java.lang.NullPointerException
from assms have "∃AF ΨF AG ΨG. AFG = AF@AG∧ ΨFG = ΨF⊗ ΨG∧ F = ⟨AF, ΨF⟩∧ G = ⟨AG, ΨG⟩∧AF♯* ΨG∧ AG♯* ΨF"
proof(nominal_induct F avoiding: G AFG ΨFG rule: frame.strong_induct)
case(FAssert Ψ G AFG ΨFG)
thus ?case
apply auto
apply(rule_tac x="[]" in exI)
by(drule_tac insertAssertionE) auto
next
case(FRes x F G AFG ΨFG)
from ‹mergeFrame ((νx)F) G = ⟨AFG, ΨFG⟩›‹x ♯ G›
obtain y AFG' where "AFG = y#AFG'" by(induct AFG) auto
with ‹AFG♯* ((νx)F)›‹x ♯ AFG› have "AFG' ♯* F" and "x ♯ AFG'"
by(auto simp add: supp_list_cons fresh_star_def fresh_def name_list_supp abs_supp frame.supp)
java.lang.NullPointerException
java.lang.NullPointerException
apply(auto simp add: abs_fresh frameResChainFreshSet)
apply(hypsubst_thin)
by(induct AFG') (auto simp add: abs_fresh)
from ‹distinct AFG›‹AFG = y#AFG'› have "y ♯ AFG'" and "distinct AFG'" by auto
with ‹AFG = y#AFG'›‹: "'b frame"
have "mergeFrame F G = ⟨
by(simp add: frame.inject alpha eqvts)
with ‹distinct AFG'›‹AFG' ♯* F›‹AFG' ♯* G› ‹∧G AFG ΨFG. [mergeFrame F G = ⟨AFG, ΨFG⟩; distinct AFG; AFG♯* F; AFG♯* G]==>∃AF ΨF AG ΨG. AFG = AF@AG∧ ΨFG = ΨF⊗ ΨG∧ F = ⟨AF, ΨF⟩∧ G = ⟨AG, ΨG⟩∧ AF♯* ΨG∧ AG♯* ΨF›
java.lang.NullPointerException
by metis
from ‹
java.lang.NullPointerException
with ‹y ♯ G›
by auto
from ‹([(x, y)] ∙ ΨFG) = ΨF⊗ ΨG› have "([(x, y)] ∙ [(x, y)] ∙ Ψ\ :
by simp
with ‹x ♯ ΨG›‹y ♯ ΨG› have "ΨFG = ([(x, y)] ∙ ΨF) ⊗ ΨG" by(simp add: eqvts)
moreover from FrF have "([(x, y)] ∙ F) = [(x, y)] ∙⟨AF, ΨF⟩" by simp
with ‹x ♯ AF›‹y ♯ AF› have "([(x, y)] ∙ F) = ⟨AF, [(x, y)] ∙ ΨF⟩" by(simp add: eqvts)
java.lang.NullPointerException
with ‹
moreover with ‹AG♯* ΨF› have "([(x, y)] ∙ AG) ♯* ([(x, y)] ∙ ΨF)" by(simp add: pt_fresh_star_bij[OF pt_name_inst, OF at_name_inst])
with ‹
moreover from ‹AF♯* ΨG›‹y ♯ ΨG› have "(y#AF) ♯* ΨG" by simp
ultimately show ?case using FrG
by blast
qed
with A show ?thesis by blast
mergeFrameRes1[simp]:
fixes AF :: "name list"
and ΨF :: 'b
and x :: name
and AG :: "name list"
and ΨG :: 'b
A\sub🚫
and "AF♯* AG"
and "x ♯ AF"
and "x ♯ ΨF"
and "AG♯* ΨF"
frameChanEqTrans:
fixes F :: "'b frame"
and M :: 'a
and N :: 'a
assumes "F ⊨F M ↔ N"
and "F ⊨F N ↔ L"
shows "F ⊨F M ↔ L"
-
obtain AF ΨF where "F = ⟨AF, ΨF⟩" and "AF♯* (M, N, L)"
by(rule freshFrame)
with assms show ?thesis
by(force dest: frameImpE intro: frameImpI chanEqTrans)
*) lemma frameIntAssociativity:>where#<subA<sub auto fixes AF :: "name list" and Ψ :: 'b and Ψ' :: 'b and Ψ'' :: 'b
lemma frameCommutativity: fixes F :: "'b frame" and G :: "'b frame"
shows"F ⊗F G ≃F G ⊗F F" proof - obtain A<<^> sharpy\sharp<>" by(rule freshFrame) moreoverobtain AG ΨGwhere"G = ⟨AG, ΨG⟩"and"AG♯* ΨF"and"AG♯* AF" by(rule_tac C="(AF, ΨF)"in freshFrame) auto moreoverfrom‹AF♯* G›‹G = ⟨AG, ΨG⟩›‹AG♯* AF›have"AF♯* ΨG" by auto ultimatelyshow ?thesis by auto (metis FrameStatEqTrans frameChainAppend frameResChainComm frameIntCommutativity) qed
lemma frameScopeExt: fixes x :: name and F :: "'b frame" and G :: "'b frame"
assumes"x ♯ F"
shows"(νx)(F ⊗F G) ≃F F ⊗F ((νx)G)" proof - have"(νx)(F ⊗F G) ≃F(νx)(G ⊗F F)" by(metis frameResPres frameCommutativity) with‹x ♯ F›have"(νx)(F ⊗F G) ≃F ((νx)G) ⊗F F" by simp moreoverhave"((νx)G) ⊗F F ≃F F ⊗F ((νx)G)" by(rule frameCommutativity) ultimatelyshow ?thesis by(rule FrameStatEqTrans) qed
lemma insertDoubleAssertionStatEq: fixes F :: "'b frame" and Ψ :: 'b and Ψ' :: 'b
shows"insertAssertion(insertAssertion F Ψ) Ψ' ≃F (insertAssertion F) (Ψ ⊗ Ψ')" proof - obtain AF ΨFwhere"F = ⟨AF, ΨF⟩"and"AF♯* Ψ"and"AF♯* Ψ'"and"AF♯* (Ψ ⊗ Ψ')" by(rule_tac C="(Ψ, Ψ')"in freshFrame) auto thus ?thesis by auto (metis frameIntComposition Commutativity frameIntAssociativity FrameStatEqTrans FrameStatEqSym) qed
lemma guardedStatEq: fixes P :: "('a, 'b, 'c) psi" and I :: "('a, 'b, 'c) input" and C :: "('a, 'b, 'c) psiCase"
^ " " and ΨP :: 'b
shows"[guarded P; extractFrame P = ⟨AP, ΨP⟩]==> ΨP≃⊥∧ supp ΨP = ({}::name set)" and"[guarded' I; extractFrame' I = ⟨AP, ΨP⟩]==> ΨP≃⊥∧ supp ΨP = ({}::name set)" and"[guarded'' C; extractFrame'' C = ⟨AP, ΨP⟩]==> ΨP≃⊥∧ supp ΨP = ({}::name set)" proof(nominal_induct P and I and C arbitrary: AP ΨP rule: psi_input_psiCase.strong_inducts) case(PsiNil AP ΨP) thus ?caseby simp next case(Output M N P AP ΨP) thus ?caseby simp next case(Input M In AP ΨP) thus ?caseby simp next case(Case psiCase AP ΨP) thus ?caseby simp next case(Par P Q APQ ΨPQ) from‹guarded(P ∥ Q)›have"guarded P"and"guarded Q"by simp+ obtain AP ΨPwhere FrP: "extractFrame P = ⟨AP, ΨP⟩"and"AP♯* Q"by(rule freshFrame) obtain AQ ΨQwhere FrQ: "extractFrame Q = ⟨AQ, ΨQ⟩"and"AQ♯* AP"and"AQ♯* ΨP" by(rule_tac C="(AP, ΨP)"in freshFrame) auto
from‹AP♯* Q› FrQ ‹AQ♯* AP›have"AP♯* ΨQ"by(drule_tac extractFrameFreshChain) auto with‹AQ♯* AP› java.lang.NullPointerException
by auto
with ‹supp ΨP = {}›‹supp ΨQ = {}› compSupp have "ΨPQ = ΨP⊗ ΨQ"
by blast
moreover from ‹ΨP≃⊥›‹ΨQ≃⊥› have "ΨP⊗ ΨQ≃⊥"
by(metis Composition Identity Associativity Commutativity AssertionStatEqTrans)
ultimately show ?case using ‹supp ΨP = {}›‹supp ΨQ = {}› compSupp
by blast
case(Res x P AxP ΨxP)
from ‹guarded((νx)P)› have "guarded P" by simp
moreover obtain AP ΨP where FrP: "extractFrame P = ⟨AP, ΨP⟩" by(rule freshFrame)
moreover note ‹∧AP ΨP. [guarded P; extrac apply(subst fresh_star_)
ultimately have "ΨP≃⊥" and "supp ΨP = ({}::name set)" by auto
from FrP ‹extractFrame((νx)P) = ⟨AxP, ΨxP⟩› have "⟨(x#AP), ΨP⟩ = ⟨AxP, ΨxP⟩" by simp
with ‹supp ΨP = {}› have "ΨP = ΨxP" by(auto simp del: frameResChain.simps)
with ‹ΨP≃⊥›‹supp ΨP = {}› show ?case
by simp
case(Assert Ψ AP ΨP)
thus ?case by simp
case(Bang P AP ΨP)
thus ?case by simp
case(Trm M P)
thus ?case by simp
case(Bind x I)
thus ?case by simp
case EmptyCase
thus ?case by simp
case(Cond φ P psiCase)
thus ?case by simp
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