2014-08-01 09:37:23 -07:00
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import standard
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2014-07-23 08:22:53 -07:00
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using bool
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definition set {{T : Type}} := T → bool
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2014-07-28 19:58:57 -07:00
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infix `∈`:50 := λx A, A x = tt
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2014-07-23 08:22:53 -07:00
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2014-07-28 19:58:57 -07:00
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check 1 ∈ (λ x, tt)
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