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Mirrors > Home > MPE Home > Th. List > ablinvadd | Structured version Visualization version GIF version |
Description: The inverse of an Abelian group operation. (Contributed by NM, 31-Mar-2014.) |
Ref | Expression |
---|---|
ablinvadd.b | ⊢ 𝐵 = (Base‘𝐺) |
ablinvadd.p | ⊢ + = (+g‘𝐺) |
ablinvadd.n | ⊢ 𝑁 = (invg‘𝐺) |
Ref | Expression |
---|---|
ablinvadd | ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘(𝑋 + 𝑌)) = ((𝑁‘𝑋) + (𝑁‘𝑌))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ablgrp 19306 | . . 3 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) | |
2 | ablinvadd.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
3 | ablinvadd.p | . . . 4 ⊢ + = (+g‘𝐺) | |
4 | ablinvadd.n | . . . 4 ⊢ 𝑁 = (invg‘𝐺) | |
5 | 2, 3, 4 | grpinvadd 18568 | . . 3 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘(𝑋 + 𝑌)) = ((𝑁‘𝑌) + (𝑁‘𝑋))) |
6 | 1, 5 | syl3an1 1161 | . 2 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘(𝑋 + 𝑌)) = ((𝑁‘𝑌) + (𝑁‘𝑋))) |
7 | simp1 1134 | . . 3 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝐺 ∈ Abel) | |
8 | 1 | 3ad2ant1 1131 | . . . 4 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝐺 ∈ Grp) |
9 | simp2 1135 | . . . 4 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
10 | 2, 4 | grpinvcl 18542 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
11 | 8, 9, 10 | syl2anc 583 | . . 3 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘𝑋) ∈ 𝐵) |
12 | simp3 1136 | . . . 4 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑌 ∈ 𝐵) | |
13 | 2, 4 | grpinvcl 18542 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝑌 ∈ 𝐵) → (𝑁‘𝑌) ∈ 𝐵) |
14 | 8, 12, 13 | syl2anc 583 | . . 3 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘𝑌) ∈ 𝐵) |
15 | 2, 3 | ablcom 19319 | . . 3 ⊢ ((𝐺 ∈ Abel ∧ (𝑁‘𝑋) ∈ 𝐵 ∧ (𝑁‘𝑌) ∈ 𝐵) → ((𝑁‘𝑋) + (𝑁‘𝑌)) = ((𝑁‘𝑌) + (𝑁‘𝑋))) |
16 | 7, 11, 14, 15 | syl3anc 1369 | . 2 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ((𝑁‘𝑋) + (𝑁‘𝑌)) = ((𝑁‘𝑌) + (𝑁‘𝑋))) |
17 | 6, 16 | eqtr4d 2781 | 1 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑁‘(𝑋 + 𝑌)) = ((𝑁‘𝑋) + (𝑁‘𝑌))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 +gcplusg 16888 Grpcgrp 18492 invgcminusg 18493 Abelcabl 19302 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-fv 6426 df-riota 7212 df-ov 7258 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-cmn 19303 df-abl 19304 |
This theorem is referenced by: ablsub4 19329 mulgdi 19343 invghm 19350 lmodnegadd 20087 lflnegcl 37016 baerlem3lem1 39648 |
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