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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 3279 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2380. (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 2901 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2901 | . 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 3279 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 Ⅎwnf 1790 ∀wral 3053 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-11 2168 ax-12 2189 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-nf 1791 df-clel 2814 df-nfc 2888 df-ral 3054 |
| This theorem is referenced by: cbvralsvwOLD 3292 cbviin 4965 disjxun 5070 ralxpf 5788 eqfnfv2f 6975 ralrnmptw 7035 dff13f 7199 ofrfval2 7641 fmpox 8009 ovmptss 8032 cbvixp 8852 mptelixpg 8873 boxcutc 8879 xpf1o 9067 indexfi 9260 ixpiunwdom 9495 dfac8clem 9945 acni2 9959 ac6c4 10394 iundom2g 10453 uniimadomf 10458 rabssnn0fi 13939 rlim2 15449 ello1mpt 15474 o1compt 15540 fsum00 15752 iserodd 16797 pcmptdvds 16856 catpropd 17666 invfuc 17935 gsummptnn0fz 19952 gsummoncoe1 22294 gsumply1eq 22295 fiuncmp 23387 elptr2 23557 ptcld 23596 ptclsg 23598 ptcnplem 23604 cnmpt11 23646 cnmpt21 23654 ovoliunlem3 25489 ovoliun 25490 ovoliun2 25491 finiunmbl 25529 volfiniun 25532 iunmbl 25538 voliun 25539 mbfeqalem1 25626 mbfsup 25649 mbfinf 25650 mbflim 25653 itg2split 25734 itgeqa 25799 itgfsum 25812 itgabs 25820 itggt0 25829 limciun 25879 dvlipcn 25979 dvfsumlem4 26014 dvfsum2 26019 itgsubst 26034 coeeq2 26225 ulmss 26380 leibpi 26924 rlimcnp 26947 o1cxp 26956 lgamgulmlem6 27015 fsumdvdscom 27166 lgseisenlem2 27357 disjunsn 32683 bnj110 35040 bnj1529 35252 weiunpo 36693 weiunso 36694 weiunfr 36695 weiunse 36696 poimirlem23 38010 itgabsnc 38056 itggt0cn 38057 totbndbnd 38156 aks6d1c1p5 42597 aks6d1c1rh 42610 aks6d1c7 42669 unitscyglem3 42682 disjinfi 45639 fmptf 45683 caucvgbf 45932 climinff 46056 idlimc 46071 fnlimabslt 46122 limsupref 46128 limsupbnd1f 46129 climbddf 46130 climinf2 46150 limsupubuz 46156 climinfmpt 46158 limsupmnf 46164 limsupre2 46168 limsupmnfuz 46170 limsupre3 46176 limsupre3uz 46179 limsupreuz 46180 climuz 46187 lmbr3 46190 limsupgt 46221 liminfreuz 46246 liminflt 46248 xlimpnfxnegmnf 46257 xlimmnf 46284 xlimpnf 46285 dfxlim2 46291 cncfshift 46317 stoweidlem31 46474 iundjiun 46903 meaiunincf 46926 pimgtmnf2 47157 smfpimcc 47251 smfsup 47257 smfinflem 47260 smfinf 47261 cbvral2 47566 |
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