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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 3276 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2376. (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 2898 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2898 | . 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 3276 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 Ⅎwnf 1784 ∀wral 3051 |
| 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 2184 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-nf 1785 df-clel 2811 df-nfc 2885 df-ral 3052 |
| This theorem is referenced by: cbvralsvwOLD 3289 cbvralsvwOLDOLD 3290 cbviin 4991 disjxun 5096 ralxpf 5795 eqfnfv2f 6980 ralrnmptw 7039 dff13f 7201 ofrfval2 7643 fmpox 8011 ovmptss 8035 cbvixp 8852 mptelixpg 8873 boxcutc 8879 xpf1o 9067 indexfi 9260 ixpiunwdom 9495 dfac8clem 9942 acni2 9956 ac6c4 10391 iundom2g 10450 uniimadomf 10455 rabssnn0fi 13909 rlim2 15419 ello1mpt 15444 o1compt 15510 fsum00 15721 iserodd 16763 pcmptdvds 16822 catpropd 17632 invfuc 17901 gsummptnn0fz 19915 gsummoncoe1 22252 gsumply1eq 22253 fiuncmp 23348 elptr2 23518 ptcld 23557 ptclsg 23559 ptcnplem 23565 cnmpt11 23607 cnmpt21 23615 ovoliunlem3 25461 ovoliun 25462 ovoliun2 25463 finiunmbl 25501 volfiniun 25504 iunmbl 25510 voliun 25511 mbfeqalem1 25598 mbfsup 25621 mbfinf 25622 mbflim 25625 itg2split 25706 itgeqa 25771 itgfsum 25784 itgabs 25792 itggt0 25801 limciun 25851 dvlipcn 25955 dvfsumlem4 25992 dvfsum2 25997 itgsubst 26012 coeeq2 26203 ulmss 26362 leibpi 26908 rlimcnp 26931 o1cxp 26941 lgamgulmlem6 27000 fsumdvdscom 27151 lgseisenlem2 27343 disjunsn 32669 bnj110 35014 bnj1529 35226 weiunpo 36659 weiunso 36660 weiunfr 36661 weiunse 36662 poimirlem23 37844 itgabsnc 37890 itggt0cn 37891 totbndbnd 37990 aks6d1c1p5 42366 aks6d1c1rh 42379 aks6d1c7 42438 unitscyglem3 42451 disjinfi 45436 fmptf 45483 caucvgbf 45733 climinff 45857 idlimc 45872 fnlimabslt 45923 limsupref 45929 limsupbnd1f 45930 climbddf 45931 climinf2 45951 limsupubuz 45957 climinfmpt 45959 limsupmnf 45965 limsupre2 45969 limsupmnfuz 45971 limsupre3 45977 limsupre3uz 45980 limsupreuz 45981 climuz 45988 lmbr3 45991 limsupgt 46022 liminfreuz 46047 liminflt 46049 xlimpnfxnegmnf 46058 xlimmnf 46085 xlimpnf 46086 dfxlim2 46092 cncfshift 46118 stoweidlem31 46275 iundjiun 46704 meaiunincf 46727 pimgtmnf2 46958 smfpimcc 47052 smfsup 47058 smfinflem 47061 smfinf 47062 cbvral2 47349 |
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