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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 3278 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2377. (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 2899 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2899 | . 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 3278 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 Ⅎwnf 1785 ∀wral 3052 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-11 2163 ax-12 2185 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-nf 1786 df-clel 2812 df-nfc 2886 df-ral 3053 |
| This theorem is referenced by: cbvralsvwOLD 3291 cbvralsvwOLDOLD 3292 cbviin 4993 disjxun 5098 ralxpf 5803 eqfnfv2f 6989 ralrnmptw 7048 dff13f 7211 ofrfval2 7653 fmpox 8021 ovmptss 8045 cbvixp 8864 mptelixpg 8885 boxcutc 8891 xpf1o 9079 indexfi 9272 ixpiunwdom 9507 dfac8clem 9954 acni2 9968 ac6c4 10403 iundom2g 10462 uniimadomf 10467 rabssnn0fi 13921 rlim2 15431 ello1mpt 15456 o1compt 15522 fsum00 15733 iserodd 16775 pcmptdvds 16834 catpropd 17644 invfuc 17913 gsummptnn0fz 19927 gsummoncoe1 22264 gsumply1eq 22265 fiuncmp 23360 elptr2 23530 ptcld 23569 ptclsg 23571 ptcnplem 23577 cnmpt11 23619 cnmpt21 23627 ovoliunlem3 25473 ovoliun 25474 ovoliun2 25475 finiunmbl 25513 volfiniun 25516 iunmbl 25522 voliun 25523 mbfeqalem1 25610 mbfsup 25633 mbfinf 25634 mbflim 25637 itg2split 25718 itgeqa 25783 itgfsum 25796 itgabs 25804 itggt0 25813 limciun 25863 dvlipcn 25967 dvfsumlem4 26004 dvfsum2 26009 itgsubst 26024 coeeq2 26215 ulmss 26374 leibpi 26920 rlimcnp 26943 o1cxp 26953 lgamgulmlem6 27012 fsumdvdscom 27163 lgseisenlem2 27355 disjunsn 32681 bnj110 35034 bnj1529 35246 weiunpo 36681 weiunso 36682 weiunfr 36683 weiunse 36684 poimirlem23 37894 itgabsnc 37940 itggt0cn 37941 totbndbnd 38040 aks6d1c1p5 42482 aks6d1c1rh 42495 aks6d1c7 42554 unitscyglem3 42567 disjinfi 45551 fmptf 45597 caucvgbf 45847 climinff 45971 idlimc 45986 fnlimabslt 46037 limsupref 46043 limsupbnd1f 46044 climbddf 46045 climinf2 46065 limsupubuz 46071 climinfmpt 46073 limsupmnf 46079 limsupre2 46083 limsupmnfuz 46085 limsupre3 46091 limsupre3uz 46094 limsupreuz 46095 climuz 46102 lmbr3 46105 limsupgt 46136 liminfreuz 46161 liminflt 46163 xlimpnfxnegmnf 46172 xlimmnf 46199 xlimpnf 46200 dfxlim2 46206 cncfshift 46232 stoweidlem31 46389 iundjiun 46818 meaiunincf 46841 pimgtmnf2 47072 smfpimcc 47166 smfsup 47172 smfinflem 47175 smfinf 47176 cbvral2 47463 |
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