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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 3305 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2404. (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 2925 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2925 | . 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 3305 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 Ⅎwnf 1813 ∀wral 3079 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-11 2192 ax-12 2213 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-nf 1814 df-clel 2838 df-nfc 2912 df-ral 3080 |
| This theorem is referenced by: cbvralsvwOLD 3318 cbviin 5000 disjxun 5107 ralxpf 5832 eqfnfv2f 7029 ralrnmptw 7089 dff13f 7253 ofrfval2 7695 fmpox 8060 ovmptss 8084 cbvixp 8908 mptelixpg 8929 boxcutc 8935 xpf1o 9123 indexfi 9313 ixpiunwdom 9548 dfac8clem 10012 acni2 10026 ac6c4 10460 iundom2g 10519 uniimadomf 10524 rabssnn0fi 14018 rlim2 15543 ello1mpt 15568 o1compt 15634 fsum00 15846 iserodd 16890 pcmptdvds 16949 catpropd 17760 invfuc 18029 gsummptnn0fz 20051 gsummoncoe1 22468 gsumply1eq 22469 fiuncmp 23561 elptr2 23731 ptcld 23770 ptclsg 23772 ptcnplem 23778 cnmpt11 23820 cnmpt21 23828 ovoliunlem3 25663 ovoliun 25664 ovoliun2 25665 finiunmbl 25703 volfiniun 25706 iunmbl 25712 voliun 25713 mbfeqalem1 25800 mbfsup 25823 mbfinf 25824 mbflim 25827 itg2split 25908 itgeqa 25973 itgfsum 25986 itgabs 25994 itggt0 26003 limciun 26053 dvlipcn 26153 dvfsumlem4 26188 dvfsum2 26193 itgsubst 26208 coeeq2 26399 ulmss 26560 leibpi 27107 rlimcnp 27130 o1cxp 27139 lgamgulmlem6 27198 fsumdvdscom 27349 lgseisenlem2 27540 disjunsn 32939 bnj110 35246 bnj1529 35458 weiunpo 36976 weiunso 36977 weiunfr 36978 weiunse 36979 poimirlem23 38294 itgabsnc 38340 itggt0cn 38341 totbndbnd 38440 aks6d1c1p5 42879 aks6d1c1rh 42892 aks6d1c7 42951 unitscyglem3 42964 disjinfi 45910 fmptf 45954 caucvgbf 46203 climinff 46327 idlimc 46342 fnlimabslt 46393 limsupref 46399 limsupbnd1f 46400 climbddf 46401 climinf2 46421 limsupubuz 46427 climinfmpt 46429 limsupmnf 46435 limsupre2 46439 limsupmnfuz 46441 limsupre3 46447 limsupre3uz 46450 limsupreuz 46451 climuz 46458 lmbr3 46461 limsupgt 46492 liminfreuz 46517 liminflt 46519 xlimpnfxnegmnf 46528 xlimmnf 46555 xlimpnf 46556 dfxlim2 46562 cncfshift 46588 stoweidlem31 46745 iundjiun 47174 meaiunincf 47197 pimgtmnf2 47428 smfpimcc 47522 smfsup 47528 smfinflem 47531 smfinf 47532 cbvral2 47840 |
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