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| Mirrors > Home > ILE Home > Th. List > lmodvsubval2 | GIF version | ||
| Description: Value of vector subtraction in terms of addition. (Contributed by NM, 31-Mar-2014.) (Proof shortened by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lmodvsubval2.v | ⊢ 𝑉 = (Base‘𝑊) |
| lmodvsubval2.p | ⊢ + = (+g‘𝑊) |
| lmodvsubval2.m | ⊢ − = (-g‘𝑊) |
| lmodvsubval2.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lmodvsubval2.s | ⊢ · = ( ·𝑠 ‘𝑊) |
| lmodvsubval2.n | ⊢ 𝑁 = (invg‘𝐹) |
| lmodvsubval2.u | ⊢ 1 = (1r‘𝐹) |
| Ref | Expression |
|---|---|
| lmodvsubval2 | ⊢ ((𝑊 ∈ LMod ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 − 𝐵) = (𝐴 + ((𝑁‘ 1 ) · 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmodvsubval2.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | lmodvsubval2.p | . . . 4 ⊢ + = (+g‘𝑊) | |
| 3 | eqid 2207 | . . . 4 ⊢ (invg‘𝑊) = (invg‘𝑊) | |
| 4 | lmodvsubval2.m | . . . 4 ⊢ − = (-g‘𝑊) | |
| 5 | 1, 2, 3, 4 | grpsubval 13493 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 − 𝐵) = (𝐴 + ((invg‘𝑊)‘𝐵))) |
| 6 | 5 | 3adant1 1018 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 − 𝐵) = (𝐴 + ((invg‘𝑊)‘𝐵))) |
| 7 | lmodvsubval2.f | . . . . 5 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 8 | lmodvsubval2.s | . . . . 5 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 9 | lmodvsubval2.u | . . . . 5 ⊢ 1 = (1r‘𝐹) | |
| 10 | lmodvsubval2.n | . . . . 5 ⊢ 𝑁 = (invg‘𝐹) | |
| 11 | 1, 3, 7, 8, 9, 10 | lmodvneg1 14207 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝐵 ∈ 𝑉) → ((𝑁‘ 1 ) · 𝐵) = ((invg‘𝑊)‘𝐵)) |
| 12 | 11 | 3adant2 1019 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((𝑁‘ 1 ) · 𝐵) = ((invg‘𝑊)‘𝐵)) |
| 13 | 12 | oveq2d 5983 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 + ((𝑁‘ 1 ) · 𝐵)) = (𝐴 + ((invg‘𝑊)‘𝐵))) |
| 14 | 6, 13 | eqtr4d 2243 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 − 𝐵) = (𝐴 + ((𝑁‘ 1 ) · 𝐵))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 981 = wceq 1373 ∈ wcel 2178 ‘cfv 5290 (class class class)co 5967 Basecbs 12947 +gcplusg 13024 Scalarcsca 13027 ·𝑠 cvsca 13028 invgcminusg 13448 -gcsg 13449 1rcur 13836 LModclmod 14164 |
| 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-in1 615 ax-in2 616 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 2180 ax-14 2181 ax-ext 2189 ax-coll 4175 ax-sep 4178 ax-pow 4234 ax-pr 4269 ax-un 4498 ax-setind 4603 ax-cnex 8051 ax-resscn 8052 ax-1cn 8053 ax-1re 8054 ax-icn 8055 ax-addcl 8056 ax-addrcl 8057 ax-mulcl 8058 ax-addcom 8060 ax-addass 8062 ax-i2m1 8065 ax-0lt1 8066 ax-0id 8068 ax-rnegex 8069 ax-pre-ltirr 8072 ax-pre-ltadd 8076 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-reu 2493 df-rmo 2494 df-rab 2495 df-v 2778 df-sbc 3006 df-csb 3102 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-nul 3469 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-int 3900 df-iun 3943 df-br 4060 df-opab 4122 df-mpt 4123 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-rn 4704 df-res 4705 df-ima 4706 df-iota 5251 df-fun 5292 df-fn 5293 df-f 5294 df-f1 5295 df-fo 5296 df-f1o 5297 df-fv 5298 df-riota 5922 df-ov 5970 df-oprab 5971 df-mpo 5972 df-1st 6249 df-2nd 6250 df-pnf 8144 df-mnf 8145 df-ltxr 8147 df-inn 9072 df-2 9130 df-3 9131 df-4 9132 df-5 9133 df-6 9134 df-ndx 12950 df-slot 12951 df-base 12953 df-sets 12954 df-plusg 13037 df-mulr 13038 df-sca 13040 df-vsca 13041 df-0g 13205 df-mgm 13303 df-sgrp 13349 df-mnd 13364 df-grp 13450 df-minusg 13451 df-sbg 13452 df-mgp 13798 df-ur 13837 df-ring 13875 df-lmod 14166 |
| This theorem is referenced by: lmodsubvs 14220 lmodsubdi 14221 lmodsubdir 14222 lssvsubcl 14243 |
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