2013-10-30 17:45:34 +00:00
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Set: pp::colors
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Set: pp::unicode
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Assumed: a
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Assumed: n
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Assumed: H1
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Assumed: H2
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Proved: T
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Set: lean::pp::coercion
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Set: lean::pp::notation
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Set: lean::pp::implicit
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Theorem T : eq::explicit ℤ (Int::add (Int::add a (nat_to_int n)) a) (nat_to_int 10) :=
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2013-10-30 18:42:23 +00:00
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Subst::explicit ℤ a (nat_to_int n) (λ x : ℤ, Int::add (Int::add a x) a == nat_to_int 10) H1 H2
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