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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 13969 | . 2 ⊢ (𝑅 ∈ SRing → 𝑅 ∈ CMnd) | |
| 2 | srgacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | srgacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | cmncom 13879 | . 2 ⊢ ((𝑅 ∈ CMnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| 5 | 1, 4 | syl3an1 1304 | 1 ⊢ ((𝑅 ∈ SRing ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ‘cfv 5324 (class class class)co 6013 Basecbs 13072 +gcplusg 13150 CMndccmn 13861 SRingcsrg 13966 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-iota 5284 df-fun 5326 df-fn 5327 df-fv 5332 df-riota 5966 df-ov 6016 df-inn 9134 df-2 9192 df-3 9193 df-ndx 13075 df-slot 13076 df-base 13078 df-plusg 13163 df-mulr 13164 df-0g 13331 df-cmn 13863 df-srg 13967 |
| This theorem is referenced by: (None) |
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