12 lines
288 B
Text
12 lines
288 B
Text
Set: pp::colors
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Set: pp::unicode
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Assumed: f
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Assumed: g
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Assumed: a
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Assumed: fid
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Assumed: gcnst
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Proved: one_neq_0
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a
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fid a
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(eqt_elim (trans (trans (congr1 (congr2 neq (gcnst a)) 0) neq_to_not_eq)
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(trans (congr2 not (neq_elim one_neq_0)) not_false)))
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