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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 2741 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2741 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 3 | eqid 2741 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2741 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | eqid 2741 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 6 | 1, 2, 3, 4, 5 | issrg 20164 | . 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 1152 | 1 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 = wceq 1548 ∈ wcel 2121 ∀wral 3055 ‘cfv 6489 (class class class)co 7360 Basecbs 17174 +gcplusg 17215 .rcmulr 17216 0gc0g 17397 Mndcmnd 18697 CMndccmn 19750 mulGrpcmgp 20116 SRingcsrg 20162 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-nul 5231 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ne 2937 df-ral 3056 df-rab 3394 df-v 3435 df-sbc 3726 df-dif 3888 df-un 3890 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-iota 6445 df-fv 6497 df-ov 7363 df-srg 20163 |
| This theorem is referenced by: srgmnd 20166 srgcom 20182 srgsummulcr 20199 sgsummulcl 20200 srgbinomlem3 20204 srgbinomlem4 20205 srgbinomlem 20206 gsumvsca2 33312 |
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