5 lines
185 B
Text
5 lines
185 B
Text
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theorem simple : ∀ (a : ℕ), a ≥ 0
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'simple' is still in the theorem queue, use command 'reveal simple' to access its definition.
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theorem simple : ∀ (a : ℕ), a ≥ 0 :=
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zero_le
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