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| Mirrors > Home > MPE Home > Th. List > cbvralw | Structured version Visualization version GIF version | ||
| Description: Rule used to change bound variables, using implicit substitution. Version of cbvralfw 3274 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2374. (Revised by GG, 10-Jan-2024.) |
| Ref | Expression |
|---|---|
| cbvralw.1 | ⊢ Ⅎ𝑦𝜑 |
| cbvralw.2 | ⊢ Ⅎ𝑥𝜓 |
| cbvralw.3 | ⊢ (𝑥 = 𝑦 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| cbvralw | ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2896 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2896 | . 2 ⊢ Ⅎ𝑦𝐴 | |
| 3 | cbvralw.1 | . 2 ⊢ Ⅎ𝑦𝜑 | |
| 4 | cbvralw.2 | . 2 ⊢ Ⅎ𝑥𝜓 | |
| 5 | cbvralw.3 | . 2 ⊢ (𝑥 = 𝑦 → (𝜑 ↔ 𝜓)) | |
| 6 | 1, 2, 3, 4, 5 | cbvralfw 3274 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 Ⅎwnf 1784 ∀wral 3049 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-11 2162 ax-12 2182 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-nf 1785 df-clel 2809 df-nfc 2883 df-ral 3050 |
| This theorem is referenced by: cbvralsvwOLD 3287 cbvralsvwOLDOLD 3288 cbviin 4989 disjxun 5094 ralxpf 5793 eqfnfv2f 6978 ralrnmptw 7037 dff13f 7199 ofrfval2 7641 fmpox 8009 ovmptss 8033 cbvixp 8850 mptelixpg 8871 boxcutc 8877 xpf1o 9065 indexfi 9258 ixpiunwdom 9493 dfac8clem 9940 acni2 9954 ac6c4 10389 iundom2g 10448 uniimadomf 10453 rabssnn0fi 13907 rlim2 15417 ello1mpt 15442 o1compt 15508 fsum00 15719 iserodd 16761 pcmptdvds 16820 catpropd 17630 invfuc 17899 gsummptnn0fz 19913 gsummoncoe1 22250 gsumply1eq 22251 fiuncmp 23346 elptr2 23516 ptcld 23555 ptclsg 23557 ptcnplem 23563 cnmpt11 23605 cnmpt21 23613 ovoliunlem3 25459 ovoliun 25460 ovoliun2 25461 finiunmbl 25499 volfiniun 25502 iunmbl 25508 voliun 25509 mbfeqalem1 25596 mbfsup 25619 mbfinf 25620 mbflim 25623 itg2split 25704 itgeqa 25769 itgfsum 25782 itgabs 25790 itggt0 25799 limciun 25849 dvlipcn 25953 dvfsumlem4 25990 dvfsum2 25995 itgsubst 26010 coeeq2 26201 ulmss 26360 leibpi 26906 rlimcnp 26929 o1cxp 26939 lgamgulmlem6 26998 fsumdvdscom 27149 lgseisenlem2 27341 disjunsn 32618 bnj110 34963 bnj1529 35175 weiunpo 36608 weiunso 36609 weiunfr 36610 weiunse 36611 poimirlem23 37783 itgabsnc 37829 itggt0cn 37830 totbndbnd 37929 aks6d1c1p5 42305 aks6d1c1rh 42318 aks6d1c7 42377 unitscyglem3 42390 disjinfi 45378 fmptf 45425 caucvgbf 45675 climinff 45799 idlimc 45814 fnlimabslt 45865 limsupref 45871 limsupbnd1f 45872 climbddf 45873 climinf2 45893 limsupubuz 45899 climinfmpt 45901 limsupmnf 45907 limsupre2 45911 limsupmnfuz 45913 limsupre3 45919 limsupre3uz 45922 limsupreuz 45923 climuz 45930 lmbr3 45933 limsupgt 45964 liminfreuz 45989 liminflt 45991 xlimpnfxnegmnf 46000 xlimmnf 46027 xlimpnf 46028 dfxlim2 46034 cncfshift 46060 stoweidlem31 46217 iundjiun 46646 meaiunincf 46669 pimgtmnf2 46900 smfpimcc 46994 smfsup 47000 smfinflem 47003 smfinf 47004 cbvral2 47291 |
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