Example lazy_and_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_true_false : exists n, n=0. Proof. exists ltac2:(let val:= if (true && false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_false_throw : exists n, n=0. Proof. exists ltac2:(let val:= if (false && Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_true_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true && true && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_true_false_throw : exists n, n=0. Proof. exists ltac2:(let val:= if (true && false && Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_false_throw_throw : exists n, n=0. Proof. (* This shows that && is left recursive *) exists ltac2:(let val:= if (false && Control.throw_invalid_argument "bad" && Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_fun_arg : exists n, n=1. Proof. exists ltac2:(let val:= if (Bool.equal true true && Bool.equal false false) then '1 else '0 in exact $val). reflexivity. Qed.
(** ** Lazy or tests *)
Example lazy_or_false_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false || false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_false_true : exists n, n=1. Proof. exists ltac2:(let val:= if (false || true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_true_throw : exists n, n=1. Proof. exists ltac2:(let val:= if (true || Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_false_false_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false || false || false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_false_true_throw : exists n, n=1. Proof. exists ltac2:(let val:= if (false || true || Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_true_throw_throw : exists n, n=1. Proof. exists ltac2:(let val:= if (true || Control.throw_invalid_argument "bad" || Control.throw_invalid_argument "bad") then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_fun_arg : exists n, n=1. Proof. exists ltac2:(let val:= if (Bool.equal true true || Bool.equal true false) then '1 else '0 in exact $val). reflexivity. Qed.
(** ** Lazy or with and tests *)
Example lazy_or_and_true_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true || true && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_true_true_false : exists n, n=1. Proof. exists ltac2:(let val:= if (true || true && false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_true_false_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true || false && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_true_false_false : exists n, n=1. Proof. exists ltac2:(let val:= if (true || false && false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_false_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (false || true && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_false_true_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false || true && false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_false_false_true : exists n, n=0. Proof. exists ltac2:(let val:= if (false || false && true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_or_and_false_false_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false || false && false) then '1 else '0 in exact $val). reflexivity. Qed.
(* Lazy and with or tests *)
Example lazy_and_or_true_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true && true || true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_true_true_false : exists n, n=1. Proof. exists ltac2:(let val:= if (true && true || false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_true_false_true : exists n, n=1. Proof. exists ltac2:(let val:= if (true && false || true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_true_false_false : exists n, n=0. Proof. exists ltac2:(let val:= if (true && false || false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_false_true_true : exists n, n=1. Proof. exists ltac2:(let val:= if (false && true || true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_false_true_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false && true || false) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_false_false_true : exists n, n=1. Proof. exists ltac2:(let val:= if (false && false || true) then '1 else '0 in exact $val). reflexivity. Qed.
Example lazy_and_or_false_false_false : exists n, n=0. Proof. exists ltac2:(let val:= if (false && false || false) then '1 else '0 in exact $val). reflexivity. Qed.
(** * if then else tests *)
(* these tests are from teh time when if was a notation, but it doesn't hurt to keep them *)
Example if_then_else_true : exists n, n=1. Proof. exists ltac2:(let val:=if true then '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_false : exists n, n=0. Proof. exists ltac2:(let val:=if false then '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_nested_true : exists n, n=2. Proof. exists ltac2:(let val:=if true thenif true then '2 else '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_nested_false : exists n, n=0. Proof. exists ltac2:(let val:=if false then '2 elseif false then '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_match_cond : exists n, n=0. Proof. exists ltac2:(let val:=ifmatch true with true => false | false => true endthen '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_match_true : exists n, n=2. Proof. exists ltac2:(let val:=if true thenmatch true with true => '2 | false => '1 endelse '0 in exact $val). reflexivity. Qed.
Example if_then_else_match_false : exists n, n=0. Proof. exists ltac2:(let val:=if false then '2 elsematch false with true => '1 | false => '0 end in exact $val). reflexivity. Qed.
Example if_then_else_lazy_and : exists n, n=1. Proof. exists ltac2:(let val:=if true && true then '1 else '0 in exact $val). reflexivity. Qed.
Example if_then_else_lazy_or : exists n, n=1. Proof. exists ltac2:(let val:=if true || true then '1 else '0 in exact $val). reflexivity. Qed.
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