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Step * 1 1 1 of Lemma mfact_exists_a


1. g : IAbMonoid@i'
2. Cancel(|g|;|g|;*)@i
3. WellFnd{i}(|g|;x,y.x p| y)@i'
4. ∀c:|g|. Dec(Reducible(c))@i
5. ∀c:|g|. Dec(g-unit(c))@i
6. b : |g|@i
7. g-unit(b)
⊢ b ~ e
BY
{ ((BLemma `munit_char`) THEN Auto) }

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Latex:

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Latex:

1.  g  :  IAbMonoid@i'
2.  Cancel(|g|;|g|;*)@i
3.  WellFnd\{i\}(|g|;x,y.x  p|  y)@i'
4.  \mforall{}c:|g|.  Dec(Reducible(c))@i
5.  \mforall{}c:|g|.  Dec(g-unit(c))@i
6.  b  :  |g|@i
7.  g-unit(b)
\mvdash{}  b  \msim{}  e


By

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Latex:
((BLemma  `munit\_char`)  THEN  Auto)

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