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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 2737 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜓)) |
| 3 | raleqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | ralbidv 2533 | . 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 1398 ∀wral 2511 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 |
| This theorem is referenced by: rspc2vd 3197 ofrfval 6253 fmpox 6374 tfrlemi1 6541 supeq123d 7250 acneq 7477 cvg1nlemcau 11624 cvg1nlemres 11625 cau3lem 11754 fsum2dlemstep 12075 fisumcom2 12079 fprod2dlemstep 12263 fprodcom2fi 12267 pcfac 13003 ptex 13427 prdsex 13432 prdsval 13436 ismgm 13520 mgm1 13533 grpidvalg 13536 gsumress 13558 issgrp 13566 sgrp1 13574 sgrppropd 13576 ismnddef 13581 ismndd 13600 mndpropd 13603 mnd1 13618 ismhm 13624 mhmex 13625 resmhm 13650 isgrp 13669 grppropd 13680 isgrpd2e 13683 grp1 13769 isnsg 13869 nmznsg 13880 isghm 13910 cmnpropd 13962 iscmnd 13965 isrng 14028 rngpropd 14049 dfur2g 14056 issrg 14059 issrgid 14075 isring 14094 iscrng2 14109 ringideu 14111 isringid 14119 ringpropd 14132 ring1 14153 oppr0g 14175 oppr1g 14176 isrhm2d 14260 rhmopp 14271 islring 14287 rrgval 14357 isdomn 14365 opprdomnbg 14370 islmod 14387 islmodd 14389 lmodprop2d 14444 lsssetm 14452 islidlm 14575 rnglidlmmgm 14592 rnglidlmsgrp 14593 mplvalcoe 14791 istopg 14810 restbasg 14979 cnfval 15005 cnpfval 15006 txbas 15069 limccl 15470 iswlk 16264 isclwwlk 16335 sscoll2 16704 |
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