Theorem cmnmnd 14010

Description: A commutative monoid is a monoid. (Contributed by Mario Carneiro, 6-Jan-2015.)

Assertion

Ref	Expression
cmnmnd	⊢ (𝐺 ∈ CMnd → 𝐺 ∈ Mnd)

Proof of Theorem cmnmnd

Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2232	. . 3 ⊢ (Base‘𝐺) = (Base‘𝐺)
2		eqid 2232	. . 3 ⊢ (+g‘𝐺) = (+g‘𝐺)
3	1, 2	iscmn 14002	. 2 ⊢ (𝐺 ∈ CMnd ↔ (𝐺 ∈ Mnd ∧ ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)(𝑥(+g‘𝐺)𝑦) = (𝑦(+g‘𝐺)𝑥)))
4	3	simplbi 274	1 ⊢ (𝐺 ∈ CMnd → 𝐺 ∈ Mnd)

Syntax hints:   → wi 4   = wceq 1398   ∈ wcel 2203  ∀wral 2520  ‘cfv 5351  (class class class)co 6049  Basecbs 13204  +_gcplusg 13282  Mndcmnd 13621  CMndccmn 13993

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2214

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-rab 2529  df-v 2814  df-un 3214  df-sn 3694  df-pr 3695  df-op 3697  df-uni 3914  df-br 4109  df-iota 5311  df-fv 5359  df-ov 6052  df-cmn 13995

This theorem is referenced by:  cmn32  14013  cmn4  14014  cmn12  14015  cmnmndd  14017  rinvmod  14018  ghmcmn  14036  srgmnd  14103  gfsumz  16860