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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 3302 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2403. (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 2924 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2924 | . 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 3302 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 Ⅎwnf 1803 ∀wral 3076 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-11 2191 ax-12 2212 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1800 df-nf 1804 df-clel 2837 df-nfc 2911 df-ral 3077 |
| This theorem is referenced by: cbvralsvwOLD 3315 cbviin 4993 disjxun 5098 ralxpf 5818 eqfnfv2f 7015 ralrnmptw 7075 dff13f 7239 ofrfval2 7681 fmpox 8048 ovmptss 8072 cbvixp 8896 mptelixpg 8917 boxcutc 8923 xpf1o 9111 indexfi 9303 ixpiunwdom 9538 dfac8clem 9988 acni2 10002 ac6c4 10438 iundom2g 10497 uniimadomf 10502 rabssnn0fi 13999 rlim2 15523 ello1mpt 15548 o1compt 15614 fsum00 15826 iserodd 16871 pcmptdvds 16930 catpropd 17741 invfuc 18010 gsummptnn0fz 20026 gsummoncoe1 22371 gsumply1eq 22372 fiuncmp 23464 elptr2 23634 ptcld 23673 ptclsg 23675 ptcnplem 23681 cnmpt11 23723 cnmpt21 23731 ovoliunlem3 25566 ovoliun 25567 ovoliun2 25568 finiunmbl 25606 volfiniun 25609 iunmbl 25615 voliun 25616 mbfeqalem1 25703 mbfsup 25726 mbfinf 25727 mbflim 25730 itg2split 25811 itgeqa 25876 itgfsum 25889 itgabs 25897 itggt0 25906 limciun 25956 dvlipcn 26056 dvfsumlem4 26091 dvfsum2 26096 itgsubst 26111 coeeq2 26302 ulmss 26460 leibpi 27007 rlimcnp 27030 o1cxp 27039 lgamgulmlem6 27098 fsumdvdscom 27249 lgseisenlem2 27440 disjunsn 32794 bnj110 35153 bnj1529 35365 weiunpo 36825 weiunso 36826 weiunfr 36827 weiunse 36828 poimirlem23 38142 itgabsnc 38188 itggt0cn 38189 totbndbnd 38288 aks6d1c1p5 42729 aks6d1c1rh 42742 aks6d1c7 42801 unitscyglem3 42814 disjinfi 45770 fmptf 45814 caucvgbf 46063 climinff 46187 idlimc 46202 fnlimabslt 46253 limsupref 46259 limsupbnd1f 46260 climbddf 46261 climinf2 46281 limsupubuz 46287 climinfmpt 46289 limsupmnf 46295 limsupre2 46299 limsupmnfuz 46301 limsupre3 46307 limsupre3uz 46310 limsupreuz 46311 climuz 46318 lmbr3 46321 limsupgt 46352 liminfreuz 46377 liminflt 46379 xlimpnfxnegmnf 46388 xlimmnf 46415 xlimpnf 46416 dfxlim2 46422 cncfshift 46448 stoweidlem31 46605 iundjiun 47034 meaiunincf 47057 pimgtmnf2 47288 smfpimcc 47382 smfsup 47388 smfinflem 47391 smfinf 47392 cbvral2 47697 |
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