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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 7332 acneq 7559 cvg1nlemcau 11766 cvg1nlemres 11767 cau3lem 11897 fsum2dlemstep 12220 fisumcom2 12224 fprod2dlemstep 12408 fprodcom2fi 12412 pcfac 13152 ptex 13671 ismgm 13730 mgm1 13743 grpidvalg 13746 gzsumress 13765 issgrp 13771 sgrp1 13779 sgrppropd 13781 ismnddef 13784 ismndd 13803 mndpropd 13806 mnd1 13815 ismhm 13821 mhmex 13822 resmhm 13847 isgrp 13864 grppropd 13875 isgrpd2e 13878 grp1 13964 isnsg 14058 nmznsg 14069 isghm 14099 cmnpropd 14182 iscmnd 14185 prdsex 14256 prdsval 14257 isrng 14317 rngpropd 14338 dfur2g 14350 issrg 14353 issrgid 14369 isring 14388 iscrng2 14403 ringideu 14405 isringid 14414 ringpropd 14427 ring1 14448 oppr0g 14471 oppr1g 14472 isrhm2d 14556 rhmopp 14567 islring 14583 opprlring 14588 rrgval 14654 isdomn 14662 opprdomnbg 14667 islmod 14711 islmodd 14713 lmodprop2d 14769 lsssetm 14777 islidlm 14900 rnglidlmmgm 14917 rnglidlmsgrp 14918 isassa 15086 isassad 15095 assapropd 15098 mplvalcoe 15172 istopg 15191 restbasg 15360 cnfval 15386 cnpfval 15387 txbas 15450 limccl 15851 iswlk 16730 isclwwlk 16801 sscoll2 17180 |
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