diff options
Diffstat (limited to 'theories/Program')
| -rw-r--r-- | theories/Program/Tactics.v | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/theories/Program/Tactics.v b/theories/Program/Tactics.v index 9c34fa916..9694e3fd1 100644 --- a/theories/Program/Tactics.v +++ b/theories/Program/Tactics.v @@ -59,12 +59,20 @@ Ltac destruct_pairs := repeat (destruct_one_pair). Ltac destruct_one_ex := let tac H := let ph := fresh "H" in (destruct H as [H ph]) in + let tac2 H := let ph := fresh "H" in let ph' := fresh "H" in + (destruct H as [H ph ph']) + in let tacT H := let ph := fresh "X" in (destruct H as [H ph]) in + let tacT2 H := let ph := fresh "X" in let ph' := fresh "X" in + (destruct H as [H ph ph']) + in match goal with | [H : (ex _) |- _] => tac H | [H : (sig ?P) |- _ ] => tac H | [H : (sigT ?P) |- _ ] => tacT H - | [H : (ex2 _) |- _] => tac H + | [H : (ex2 _ _) |- _] => tac2 H + | [H : (sig2 ?P _) |- _ ] => tac2 H + | [H : (sigT2 ?P _) |- _ ] => tacT2 H end. (** Repeateadly destruct existentials. *) |