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theory Defs imports Main begin end
theory Submission imports Defs begin lemma soundnessbug: "False" sorry end
theory Check
imports Submission
begin
lemma "False"
by (rule Submission.soundnessbug)
end
theory Defs imports Main begin end
theory Submission imports Defs begin lemma soundnessbug: "False" sorry end
theory Check
imports Submission
begin
lemma "False"
by (rule Submission.soundnessbug)
end
(* nothing here *)
Theorem soundnessbug : False. Proof. (* todo? *) Admitted.
-- no definitions -- Lean version: 3.4.2 -- Mathlib version: 2019-07-31
theorem soundness_bug : false := sorry
import .submission theorem you_broke_it : false := soundness_bug
(in-package "ACL2")
(in-package "ACL2") (include-book "Defs") (defthmd cannot-prove (equal (car a) nil))
; The four lines just below are boilerplate, that is, the same for every ; problem. (in-package "ACL2") (include-book "Submission") (set-enforce-redundancy t) (include-book "Defs") ; The events below represent the theorem to be proved, and are copied from ; template.lisp. (defthmd cannot-prove (equal (car a) nil))
theory Defs imports Main begin end
theory Submission imports Defs begin lemma soundnessbug: "False" sorry end
theory Check
imports Submission
begin
lemma "False"
by (rule Submission.soundnessbug)
end