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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 13978 | . 2 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) | |
| 2 | srgacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | srgacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | cmncom 13888 | . 2 ⊢ ((𝑅 ∈ CMnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| 5 | 1, 4 | syl3an1 1306 | 1 ⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1004 = wceq 1397 ∈ wcel 2202 ‘cfv 5326 (class class class)co 6017 Basecbs 13081 +gcplusg 13159 CMndccmn 13870 SRingcsrg 13975 |
| 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 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 |
| 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 5970 df-ov 6020 df-inn 9143 df-2 9201 df-3 9202 df-ndx 13084 df-slot 13085 df-base 13087 df-plusg 13172 df-mulr 13173 df-0g 13340 df-cmn 13872 df-srg 13976 |
| This theorem is referenced by: (None) |
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