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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 2734 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜓)) |
| 3 | raleqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | ralbidv 2530 | . 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 1395 ∀wral 2508 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 |
| This theorem is referenced by: rspc2vd 3193 ofrfval 6233 fmpox 6352 tfrlemi1 6484 supeq123d 7169 acneq 7395 cvg1nlemcau 11511 cvg1nlemres 11512 cau3lem 11641 fsum2dlemstep 11961 fisumcom2 11965 fprod2dlemstep 12149 fprodcom2fi 12153 pcfac 12889 ptex 13313 prdsex 13318 prdsval 13322 ismgm 13406 mgm1 13419 grpidvalg 13422 gsumress 13444 issgrp 13452 sgrp1 13460 sgrppropd 13462 ismnddef 13467 ismndd 13486 mndpropd 13489 mnd1 13504 ismhm 13510 mhmex 13511 resmhm 13536 isgrp 13555 grppropd 13566 isgrpd2e 13569 grp1 13655 isnsg 13755 nmznsg 13766 isghm 13796 cmnpropd 13848 iscmnd 13851 isrng 13913 rngpropd 13934 dfur2g 13941 issrg 13944 issrgid 13960 isring 13979 iscrng2 13994 ringideu 13996 isringid 14004 ringpropd 14017 ring1 14038 oppr0g 14060 oppr1g 14061 isrhm2d 14145 rhmopp 14156 islring 14172 rrgval 14242 isdomn 14249 opprdomnbg 14254 islmod 14271 islmodd 14273 lmodprop2d 14328 lsssetm 14336 islidlm 14459 rnglidlmmgm 14476 rnglidlmsgrp 14477 mplvalcoe 14670 istopg 14689 restbasg 14858 cnfval 14884 cnpfval 14885 txbas 14948 limccl 15349 iswlk 16069 isclwwlk 16137 sscoll2 16434 |
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