8 lines
178 B
Text
8 lines
178 B
Text
abbreviation Prop : Type.{1} := Type.{0}
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variables a b c : Prop
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axiom Ha : a
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axiom Hb : b
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axiom Hc : c
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check have H1 [visible] : a, from Ha,
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have H2 : a, from H1,
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H2
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