19 lines
288 B
Text
19 lines
288 B
Text
import logic data.prod
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open prod
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inductive t1 : Type :=
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mk1 : t1
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inductive t2 : Type :=
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mk2 : t2
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theorem inhabited_t1 : inhabited t1
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:= inhabited_mk mk1
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theorem inhabited_t2 : inhabited t2
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:= inhabited_mk mk2
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instance inhabited_t1 inhabited_t2
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theorem T : inhabited (t1 × t2)
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:= _
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