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| Mirrors > Home > ILE Home > Th. List > srgmgp | GIF version | ||
| Description: A semiring is a monoid under multiplication. (Contributed by Thierry Arnoux, 21-Mar-2018.) |
| Ref | Expression |
|---|---|
| srgmgp.g | ⊢ 𝐺 = (mulGrp‘𝑅) |
| Ref | Expression |
|---|---|
| srgmgp | ⊢ (𝑅 ∈ SRing → 𝐺 ∈ Mnd) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2231 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | srgmgp.g | . . 3 ⊢ 𝐺 = (mulGrp‘𝑅) | |
| 3 | eqid 2231 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 4 | eqid 2231 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 5 | eqid 2231 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 6 | 1, 2, 3, 4, 5 | issrg 14040 | . 2 ⊢ (𝑅 ∈ SRing ↔ (𝑅 ∈ CMnd ∧ 𝐺 ∈ 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 | simp2bi 1040 | 1 ⊢ (𝑅 ∈ SRing → 𝐺 ∈ Mnd) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 ∀wral 2511 ‘cfv 5333 (class class class)co 6028 Basecbs 13143 +gcplusg 13221 .rcmulr 13222 0gc0g 13400 Mndcmnd 13560 CMndccmn 13932 mulGrpcmgp 13995 SRingcsrg 14038 |
| 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-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-iota 5293 df-fun 5335 df-fn 5336 df-fv 5341 df-riota 5981 df-ov 6031 df-inn 9187 df-2 9245 df-3 9246 df-ndx 13146 df-slot 13147 df-base 13149 df-plusg 13234 df-mulr 13235 df-0g 13402 df-srg 14039 |
| This theorem is referenced by: srgcl 14045 srgass 14046 srgideu 14047 srgidcl 14051 srgidmlem 14053 srg1zr 14062 srgpcomp 14065 srgpcompp 14066 srgpcomppsc 14067 srg1expzeq1 14070 |
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