lean4-htt/tests/lean/crash.lean
Leonardo de Moura a00f2e49a7 chore(frontends/lean): remove several command aliases
We still have many more to remove and rename.
See issue #1432
2017-03-09 16:49:03 -08:00

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--
section
parameter P : Prop.
definition crash
:= assume H : P,
have H' : ¬ P,
from H,
_.
end