lean4-htt/tests/lean/run/tac1.lean
2016-06-10 18:29:41 -07:00

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Text

exit
import logic
open tactic
notation `(` h `|` r:(foldl `|` (e r, tactic.or_else r e) h) `)` := r
infixl `;`:15 := tactic.and_then
definition mytac := apply @and.intro; apply @eq.refl
check @mytac