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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2014-01-01 21:52:25 +00:00
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Imported 'Int'
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2013-10-30 17:45:34 +00:00
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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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2014-01-05 20:05:08 +00:00
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theorem T : @eq ℤ (Int::add (Int::add a (nat_to_int n)) a) (nat_to_int 10) :=
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2014-01-06 03:10:21 +00:00
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@subst ℤ a (nat_to_int n) (λ x : ℤ, @eq ℤ (Int::add (Int::add a x) a) (nat_to_int 10)) H1 H2
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