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| Mirrors > Home > ILE Home > Th. List > srgcom | GIF version | ||
| Description: Commutativity of the additive group of a semiring. (Contributed by Thierry Arnoux, 1-Apr-2018.) |
| Ref | Expression |
|---|---|
| srgacl.b | ⊢ 𝐵 = (Base‘𝑅) |
| srgacl.p | ⊢ + = (+g‘𝑅) |
| Ref | Expression |
|---|---|
| srgcom | ⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | srgcmn 13803 | . 2 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) | |
| 2 | srgacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | srgacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | cmncom 13713 | . 2 ⊢ ((𝑅 ∈ CMnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| 5 | 1, 4 | syl3an1 1283 | 1 ⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 981 = wceq 1373 ∈ wcel 2177 ‘cfv 5280 (class class class)co 5957 Basecbs 12907 +gcplusg 12984 CMndccmn 13695 SRingcsrg 13800 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4170 ax-pow 4226 ax-pr 4261 ax-un 4488 ax-cnex 8036 ax-resscn 8037 ax-1re 8039 ax-addrcl 8042 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-sbc 3003 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3857 df-int 3892 df-br 4052 df-opab 4114 df-mpt 4115 df-id 4348 df-xp 4689 df-rel 4690 df-cnv 4691 df-co 4692 df-dm 4693 df-rn 4694 df-res 4695 df-iota 5241 df-fun 5282 df-fn 5283 df-fv 5288 df-riota 5912 df-ov 5960 df-inn 9057 df-2 9115 df-3 9116 df-ndx 12910 df-slot 12911 df-base 12913 df-plusg 12997 df-mulr 12998 df-0g 13165 df-cmn 13697 df-srg 13801 |
| This theorem is referenced by: (None) |
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