3e6b80d38c
This feature generates confusion.
8 lines
142 B
Text
8 lines
142 B
Text
assert_tac2.lean:11:2: proof state
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a b c : ℕ,
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h1 : a = 2,
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h2 : b = 3,
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H : a + b = 2 + b,
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H : a + b = 2 + 3,
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H : a + b = 5
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⊢ 5 + c = c + 5
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