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Commit ea64fd14 authored by Robbert Krebbers's avatar Robbert Krebbers
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Let iAssumption succeed when there is H : False.

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theories/proofmode/class_instances.v
View file @ ea64fd14
......@@ -10,6 +10,8 @@ Context {M : ucmraT}.
Implicit Types P Q R : uPred M.
(* FromAssumption *)
Global Instance from_assumption_False p P : FromAssumption p False P.
Proof. destruct p; rewrite /FromAssumption /= ?always_pure; apply False_elim. Qed.
Global Instance from_assumption_exact p P : FromAssumption p P P.
Proof. destruct p; by rewrite /FromAssumption /= ?always_elim. Qed.
Global Instance from_assumption_always_l p P Q :
......
theories/tests/proofmode.v
View file @ ea64fd14
......@@ -127,3 +127,6 @@ Proof. iIntros "HP". iExists (0:nat). iApply ("HP" $! (0:nat)). Qed.
Lemma demo_13 (M : ucmraT) (P : uPred M) : (|==> False) -∗ |==> P.
Proof. iIntros. iAssert False%I with ">[-]" as "[]". done. Qed.
Lemma demo_14 (M : ucmraT) (P : uPred M) : False -∗ P.
Proof. iIntros "H". done. Qed.
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