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Step * 1 1 3 of Lemma int_mod_ring_wf

.....wf..... 
1. n : ℕ+
2. r : Rng
⊢ istype(Comm(|r|;*))
BY
{ TACTIC:Auto }

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Latex:

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Latex:
.....wf..... 
1.  n  :  \mBbbN{}\msupplus{}
2.  r  :  Rng
\mvdash{}  istype(Comm(|r|;*))


By

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Latex:
TACTIC:Auto

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