10 lines
156 B
Text
10 lines
156 B
Text
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variable a : Prop
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variables b c : Prop
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premise Ha : a
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premises (Hb : b) (Hc : c)
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theorem tst : a ∧ b ∧ c :=
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and.intro Ha (and.intro Hb Hc)
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check tst
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