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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 13984 | . 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 1039 | 1 ⊢ (𝑅 ∈ SRing → 𝐺 ∈ Mnd) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 ∈ wcel 2202 ∀wral 2510 ‘cfv 5326 (class class class)co 6018 Basecbs 13087 +gcplusg 13165 .rcmulr 13166 0gc0g 13344 Mndcmnd 13504 CMndccmn 13876 mulGrpcmgp 13939 SRingcsrg 13982 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-cnex 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-iota 5286 df-fun 5328 df-fn 5329 df-fv 5334 df-riota 5971 df-ov 6021 df-inn 9144 df-2 9202 df-3 9203 df-ndx 13090 df-slot 13091 df-base 13093 df-plusg 13178 df-mulr 13179 df-0g 13346 df-srg 13983 |
| This theorem is referenced by: srgcl 13989 srgass 13990 srgideu 13991 srgidcl 13995 srgidmlem 13997 srg1zr 14006 srgpcomp 14009 srgpcompp 14010 srgpcomppsc 14011 srg1expzeq1 14014 |
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