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84b54ad027
lean2
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tests
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lean
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run
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mul_zero.lean
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feat(frontends/lean/calc_proof_elaborator): reject proofs with metavariables in the calc-assistant
2015-02-01 19:05:38 +00:00
import data.nat
open nat
example (x :
ℕ
) : 0 = x * 0 :=
refactor(library/data/nat/basic): mark some theorems as protected to avoid overloading
2015-10-14 19:27:09 +00:00
calc 0 = x * 0 : nat.mul_zero
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