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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 cbviin 4979 disjxun 5084 ralxpf 5796 eqfnfv2f 6982 ralrnmptw 7041 dff13f 7204 ofrfval2 7646 fmpox 8014 ovmptss 8037 cbvixp 8856 mptelixpg 8877 boxcutc 8883 xpf1o 9071 indexfi 9264 ixpiunwdom 9499 dfac8clem 9948 acni2 9962 ac6c4 10397 iundom2g 10456 uniimadomf 10461 rabssnn0fi 13942 rlim2 15452 ello1mpt 15477 o1compt 15543 fsum00 15755 iserodd 16800 pcmptdvds 16859 catpropd 17669 invfuc 17938 gsummptnn0fz 19955 gsummoncoe1 22286 gsumply1eq 22287 fiuncmp 23382 elptr2 23552 ptcld 23591 ptclsg 23593 ptcnplem 23599 cnmpt11 23641 cnmpt21 23649 ovoliunlem3 25484 ovoliun 25485 ovoliun2 25486 finiunmbl 25524 volfiniun 25527 iunmbl 25533 voliun 25534 mbfeqalem1 25621 mbfsup 25644 mbfinf 25645 mbflim 25648 itg2split 25729 itgeqa 25794 itgfsum 25807 itgabs 25815 itggt0 25824 limciun 25874 dvlipcn 25974 dvfsumlem4 26009 dvfsum2 26014 itgsubst 26029 coeeq2 26220 ulmss 26378 leibpi 26922 rlimcnp 26945 o1cxp 26955 lgamgulmlem6 27014 fsumdvdscom 27165 lgseisenlem2 27356 disjunsn 32682 bnj110 35019 bnj1529 35231 weiunpo 36666 weiunso 36667 weiunfr 36668 weiunse 36669 poimirlem23 37981 itgabsnc 38027 itggt0cn 38028 totbndbnd 38127 aks6d1c1p5 42568 aks6d1c1rh 42581 aks6d1c7 42640 unitscyglem3 42653 disjinfi 45643 fmptf 45689 caucvgbf 45938 climinff 46062 idlimc 46077 fnlimabslt 46128 limsupref 46134 limsupbnd1f 46135 climbddf 46136 climinf2 46156 limsupubuz 46162 climinfmpt 46164 limsupmnf 46170 limsupre2 46174 limsupmnfuz 46176 limsupre3 46182 limsupre3uz 46185 limsupreuz 46186 climuz 46193 lmbr3 46196 limsupgt 46227 liminfreuz 46252 liminflt 46254 xlimpnfxnegmnf 46263 xlimmnf 46290 xlimpnf 46291 dfxlim2 46297 cncfshift 46323 stoweidlem31 46480 iundjiun 46909 meaiunincf 46932 pimgtmnf2 47163 smfpimcc 47257 smfsup 47263 smfinflem 47266 smfinf 47267 cbvral2 47566 |
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