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| Mirrors > Home > ILE Home > Th. List > ressplusgd | GIF version | ||
| Description: +g is unaffected by restriction. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
| Ref | Expression |
|---|---|
| ressplusgd.1 | ⊢ (𝜑 → 𝐻 = (𝐺 ↾s 𝐴)) |
| ressplusgd.2 | ⊢ (𝜑 → + = (+g‘𝐺)) |
| ressplusgd.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| ressplusgd.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| ressplusgd | ⊢ (𝜑 → + = (+g‘𝐻)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 | . . 3 ⊢ (𝐺 ↾s 𝐴) = (𝐺 ↾s 𝐴) | |
| 2 | eqid 2238 | . . 3 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 3 | plusgslid 13519 | . . 3 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 4 | basendxnplusgndx 13532 | . . . 4 ⊢ (Base‘ndx) ≠ (+g‘ndx) | |
| 5 | 4 | necomi 2505 | . . 3 ⊢ (+g‘ndx) ≠ (Base‘ndx) |
| 6 | ressplusgd.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 7 | ressplusgd.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 8 | 1, 2, 3, 5, 6, 7 | resseqnbasd 13480 | . 2 ⊢ (𝜑 → (+g‘𝐺) = (+g‘(𝐺 ↾s 𝐴))) |
| 9 | ressplusgd.2 | . 2 ⊢ (𝜑 → + = (+g‘𝐺)) | |
| 10 | ressplusgd.1 | . . 3 ⊢ (𝜑 → 𝐻 = (𝐺 ↾s 𝐴)) | |
| 11 | 10 | fveq2d 5699 | . 2 ⊢ (𝜑 → (+g‘𝐻) = (+g‘(𝐺 ↾s 𝐴))) |
| 12 | 8, 9, 11 | 3eqtr4d 2281 | 1 ⊢ (𝜑 → + = (+g‘𝐻)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 ‘cfv 5377 (class class class)co 6085 ndxcnx 13401 Basecbs 13404 ↾s cress 13405 +gcplusg 13484 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-addass 8282 ax-i2m1 8285 ax-0lt1 8286 ax-0id 8288 ax-rnegex 8289 ax-pre-ltirr 8292 ax-pre-ltadd 8296 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-iota 5337 df-fun 5379 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8363 df-mnf 8364 df-ltxr 8366 df-inn 9308 df-2 9366 df-ndx 13407 df-slot 13408 df-base 13410 df-sets 13411 df-iress 13412 df-plusg 13497 |
| This theorem is used by: gzsumress 13765 issubmnd 13808 ress0g 13809 resmhm 13847 resmhm2 13848 resmhm2b 13849 grpressid 13919 submmulg 14022 subg0 14036 subginv 14037 subgcl 14040 subgsub 14042 subgmulg 14044 issubg2m 14045 nmznsg 14069 resghm 14116 resscntz 14160 cmnsubm 14196 subgabl 14220 subcmnd 14221 ablressid 14223 rngressid 14337 ringidss 14418 ringressid 14452 opprsubgg 14474 unitgrp 14507 unitlinv 14517 unitrinv 14518 invrpropdg 14540 rhmunitinv 14569 issubrng2 14602 subrngpropd 14608 subrgugrp 14632 issubrg2 14633 subrgpropd 14645 islss3 14800 sralmod 14871 rnglidlrng 14919 zringplusg 15016 expghmap 15026 mplplusgg 15185 |
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