lean4-htt/tests/lean/run/tactic5.lean
2016-06-10 18:29:41 -07:00

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Text

exit
import logic
open tactic (renaming id->id_tac)
infixl `;`:15 := tactic.and_then
theorem tst {A B : Prop} (H1 : A) (H2 : B) : id A
:= by (unfold id; state); assumption
check tst