(div
(div_lemma 0
(div_lemma-1 nil 3251044650
("" (skosimp*)
(("" (lemma "inv_lemma" ("nzx" "nzy!1" "nzcx" "nzcy!1"))
(("" (assert)
((""
(lemma "mul_lemma"
("x" "x!1" "cx" "cx!1" "y" "1/nzy!1" "cy"
"cauchy_inv(nzcy!1)"))
(("" (assert)
(("" (expand "cauchy_div")
((""
(name-replace "CZ"
"cauchy_mul(cx!1, cauchy_inv(nzcy!1))")
(("" (rewrite "div_def" -1)
(("" (rewrite "div_def" 1) nil nil)) nil))
nil))
nil))
nil))
nil))
nil))
nil))
nil)
((nonzero_real nonempty-type-eq-decl nil reals nil)
(nzreal nonempty-type-eq-decl nil reals nil)
(/= const-decl "boolean" notequal nil)
(cauchy_nzreal nonempty-type-eq-decl nil cauchy nil)
(cauchy_nzreal? const-decl "bool" cauchy nil)
(nat nonempty-type-eq-decl nil naturalnumbers nil)
(>= const-decl "bool" reals nil)
(bool nonempty-type-eq-decl nil booleans nil)
(int nonempty-type-eq-decl nil integers nil)
(integer_pred const-decl "[rational -> boolean]" integers nil)
(rational nonempty-type-from-decl nil rationals nil)
(rational_pred const-decl "[real -> boolean]" rationals nil)
(real nonempty-type-from-decl nil reals nil)
(real_pred const-decl "[number_field -> boolean]" reals nil)
(number_field nonempty-type-from-decl nil number_fields nil)
(number_field_pred const-decl "[number -> boolean]" number_fields
nil)
(boolean nonempty-type-decl nil booleans nil)
(number nonempty-type-decl nil numbers nil)
(inv_lemma formula-decl nil inv nil)
(/ const-decl "[numfield, nznum -> numfield]" number_fields nil)
(nznum nonempty-type-eq-decl nil number_fields nil)
(numfield nonempty-type-eq-decl nil number_fields nil)
(cauchy_inv const-decl "cauchy_nzreal" inv nil)
(cauchy_real nonempty-type-eq-decl nil cauchy nil)
(cauchy_real? const-decl "bool" cauchy nil)
(mul_lemma formula-decl nil mul nil)
(nzreal_div_nzreal_is_nzreal application-judgement "nzreal"
real_types nil)
(cauchy_div const-decl "cauchy_real" div nil)
(div_def formula-decl nil number_fields nil)
(nzreal_times_nzreal_is_nzreal application-judgement "nzreal"
real_types nil)
(real_times_real_is_real application-judgement "real" reals nil)
(= const-decl "[T, T -> boolean]" equalities nil)
(cauchy_mul const-decl "cauchy_real" mul nil)
(real_div_nzreal_is_real application-judgement "real" reals nil))
shostak)))
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