10 lines
232 B
Text
10 lines
232 B
Text
definition 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 : a, from Ha,
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then have H2 : a, from H1,
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have H3 : a, from H2,
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then have H4 : a, from H3,
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H4
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