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| Mirrors > Home > ILE Home > Th. List > abl32 | GIF version | ||
| Description: Commutative/associative law for Abelian groups. (Contributed by Stefan O'Rear, 10-Apr-2015.) (Revised by Mario Carneiro, 21-Apr-2016.) |
| Ref | Expression |
|---|---|
| ablcom.b | ⊢ 𝐵 = (Base‘𝐺) |
| ablcom.p | ⊢ + = (+g‘𝐺) |
| abl32.g | ⊢ (𝜑 → 𝐺 ∈ Abel) |
| abl32.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| abl32.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| abl32.z | ⊢ (𝜑 → 𝑍 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| abl32 | ⊢ (𝜑 → ((𝑋 + 𝑌) + 𝑍) = ((𝑋 + 𝑍) + 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | abl32.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ Abel) | |
| 2 | ablcmn 13939 | . . 3 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ CMnd) | |
| 3 | 1, 2 | syl 14 | . 2 ⊢ (𝜑 → 𝐺 ∈ CMnd) |
| 4 | abl32.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 5 | abl32.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 6 | abl32.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝐵) | |
| 7 | ablcom.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 8 | ablcom.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 9 | 7, 8 | cmn32 13952 | . 2 ⊢ ((𝐺 ∈ CMnd ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 + 𝑌) + 𝑍) = ((𝑋 + 𝑍) + 𝑌)) |
| 10 | 3, 4, 5, 6, 9 | syl13anc 1276 | 1 ⊢ (𝜑 → ((𝑋 + 𝑌) + 𝑍) = ((𝑋 + 𝑍) + 𝑌)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2202 ‘cfv 5333 (class class class)co 6028 Basecbs 13143 +gcplusg 13221 CMndccmn 13932 Abelcabl 13933 |
| 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-ov 6031 df-inn 9187 df-2 9245 df-ndx 13146 df-slot 13147 df-base 13149 df-plusg 13234 df-sgrp 13546 df-mnd 13561 df-cmn 13934 df-abl 13935 |
| This theorem is referenced by: (None) |
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