lean4-htt/tests/lean/run/meta_tac7.lean
Leonardo de Moura 6d78d0cc98 feat(frontends/lean/old_elaborator): interface old_elaborator with new tactic framework
The interface is not efficient, but it is sufficient for testing
purposes. We will replace the elaborator with a new one.
2016-06-13 13:59:01 -07:00

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open nat tactic
example (a b c : Prop) (Ha : a) (Hb : b) (Hc : c) : b :=
by do trace_state, assumption
definition ex1 (a b c : Prop) : a → b → c → b :=
by do intros, assumption
print ex1