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| Mirrors > Home > ILE Home > Th. List > raleqbidv | GIF version | ||
| Description: Equality deduction for restricted universal quantifier. (Contributed by NM, 6-Nov-2007.) |
| Ref | Expression |
|---|---|
| raleqbidv.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| raleqbidv.2 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| raleqbidv | ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | raleqbidv.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | 1 | raleqdv 2755 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜓)) |
| 3 | raleqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | ralbidv 2550 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐵 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| 5 | 2, 4 | bitrd 188 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 = wceq 1402 ∀wral 2528 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 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-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 |
| This theorem is used by: rspc2vd 3216 ofrfval 6311 fmpox 6436 tfrlemi1 6603 supeq123d 7331 acneq 7558 cvg1nlemcau 11764 cvg1nlemres 11765 cau3lem 11895 fsum2dlemstep 12217 fisumcom2 12221 fprod2dlemstep 12405 fprodcom2fi 12409 pcfac 13149 ptex 13667 ismgm 13726 mgm1 13739 grpidvalg 13742 gzsumress 13761 issgrp 13767 sgrp1 13775 sgrppropd 13777 ismnddef 13780 ismndd 13799 mndpropd 13802 mnd1 13811 ismhm 13817 mhmex 13818 resmhm 13843 isgrp 13860 grppropd 13871 isgrpd2e 13874 grp1 13960 isnsg 14054 nmznsg 14065 isghm 14095 cmnpropd 14147 iscmnd 14150 prdsex 14221 prdsval 14222 isrng 14282 rngpropd 14303 dfur2g 14315 issrg 14318 issrgid 14334 isring 14353 iscrng2 14368 ringideu 14370 isringid 14379 ringpropd 14392 ring1 14413 oppr0g 14436 oppr1g 14437 isrhm2d 14521 rhmopp 14532 islring 14548 opprlring 14553 rrgval 14619 isdomn 14627 opprdomnbg 14632 islmod 14676 islmodd 14678 lmodprop2d 14734 lsssetm 14742 islidlm 14865 rnglidlmmgm 14882 rnglidlmsgrp 14883 isassa 15051 isassad 15060 assapropd 15063 mplvalcoe 15130 istopg 15149 restbasg 15318 cnfval 15344 cnpfval 15345 txbas 15408 limccl 15809 iswlk 16662 isclwwlk 16733 sscoll2 17112 |
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