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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 |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1402 ∀wral 2528 |
| 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-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 theorem 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 referenced by: rspc2vd 3216 ofrfval 6301 fmpox 6426 tfrlemi1 6593 supeq123d 7321 acneq 7548 cvg1nlemcau 11728 cvg1nlemres 11729 cau3lem 11858 fsum2dlemstep 12179 fisumcom2 12183 fprod2dlemstep 12367 fprodcom2fi 12371 pcfac 13107 ptex 13595 ismgm 13654 mgm1 13667 grpidvalg 13670 gzsumress 13689 issgrp 13695 sgrp1 13703 sgrppropd 13705 ismnddef 13708 ismndd 13727 mndpropd 13730 mnd1 13739 ismhm 13745 mhmex 13746 resmhm 13771 isgrp 13788 grppropd 13799 isgrpd2e 13802 grp1 13888 isnsg 13982 nmznsg 13993 isghm 14023 cmnpropd 14075 iscmnd 14078 prdsex 14149 prdsval 14150 isrng 14208 rngpropd 14229 dfur2g 14240 issrg 14243 issrgid 14259 isring 14278 iscrng2 14293 ringideu 14295 isringid 14303 ringpropd 14316 ring1 14337 oppr0g 14360 oppr1g 14361 isrhm2d 14445 rhmopp 14456 islring 14472 opprlring 14477 rrgval 14543 isdomn 14551 opprdomnbg 14556 islmod 14600 islmodd 14602 lmodprop2d 14657 lsssetm 14665 islidlm 14788 rnglidlmmgm 14805 rnglidlmsgrp 14806 mplvalcoe 15004 istopg 15023 restbasg 15192 cnfval 15218 cnpfval 15219 txbas 15282 limccl 15683 iswlk 16478 isclwwlk 16549 sscoll2 16928 |
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