lean2/tests/lean/tactic8.lean
Leonardo de Moura 4ba097a141 feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 13:06:36 -08:00

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(* import("tactic.lua") *)
theorem T (a b : Bool) : a \/ b => (not b) => a := _.
apply Discharge
apply Discharge
disj_hyp
exact
absurd
done
print environment 1.