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| Mirrors > Home > MPE Home > Th. List > srgcmn | Structured version Visualization version GIF version | ||
| Description: A semiring is a commutative monoid. (Contributed by Thierry Arnoux, 21-Mar-2018.) |
| Ref | Expression |
|---|---|
| srgcmn | ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2735 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2735 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 3 | eqid 2735 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2735 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | eqid 2735 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 6 | 1, 2, 3, 4, 5 | issrg 20125 | . 2 ⊢ (𝑅 ∈ SRing ↔ (𝑅 ∈ CMnd ∧ (mulGrp‘𝑅) ∈ Mnd ∧ ∀𝑥 ∈ (Base‘𝑅)(∀𝑦 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)(𝑦(+g‘𝑅)𝑧)) = ((𝑥(.r‘𝑅)𝑦)(+g‘𝑅)(𝑥(.r‘𝑅)𝑧)) ∧ ((𝑥(+g‘𝑅)𝑦)(.r‘𝑅)𝑧) = ((𝑥(.r‘𝑅)𝑧)(+g‘𝑅)(𝑦(.r‘𝑅)𝑧))) ∧ (((0g‘𝑅)(.r‘𝑅)𝑥) = (0g‘𝑅) ∧ (𝑥(.r‘𝑅)(0g‘𝑅)) = (0g‘𝑅))))) |
| 7 | 6 | simp1bi 1146 | 1 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3050 ‘cfv 6491 (class class class)co 7358 Basecbs 17138 +gcplusg 17179 .rcmulr 17180 0gc0g 17361 Mndcmnd 18661 CMndccmn 19711 mulGrpcmgp 20077 SRingcsrg 20123 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2707 ax-nul 5250 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-ne 2932 df-ral 3051 df-rab 3399 df-v 3441 df-sbc 3740 df-dif 3903 df-un 3905 df-ss 3917 df-nul 4285 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-iota 6447 df-fv 6499 df-ov 7361 df-srg 20124 |
| This theorem is referenced by: srgmnd 20127 srgcom 20143 srgsummulcr 20160 sgsummulcl 20161 srgbinomlem3 20165 srgbinomlem4 20166 srgbinomlem 20167 gsumvsca2 33288 |
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