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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 3306 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 2926 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2926 | . 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 3306 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 Ⅎwnf 1816 ∀wral 3080 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-11 2197 ax-12 2216 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-nf 1817 df-clel 2839 df-nfc 2913 df-ral 3081 |
| This theorem is used by: cbviin 4999 disjxun 5106 ralxpf 5834 eqfnfv2f 7064 ralrnmptw 7126 dff13f 7290 ofrfval2 7746 fmpox 8113 ovmptssOLD 8140 cbvixp 8980 mptelixpg 9001 boxcutc 9007 xpf1o 9196 indexfi 9387 ixpiunwdom 9621 dfac8clem 10150 acni2 10164 ac6c4 10598 iundom2g 10663 uniimadomf 10668 rabssnn0fi 14169 rlim2 15707 ello1mpt 15732 o1compt 15798 fsum00 16009 iserodd 17057 pcmptdvds 17116 catpropd 17933 invfuc 18202 gsummptnn0fz 20251 gsummoncoe1 22681 gsumply1eq 22682 fiuncmp 23777 elptr2 23948 ptcld 23987 ptclsg 23989 ptcnplem 23995 cnmpt11 24037 cnmpt21 24045 ovoliunlem3 25880 ovoliun 25881 ovoliun2 25882 finiunmbl 25920 volfiniun 25923 iunmbl 25929 voliun 25930 mbfeqalem1 26017 mbfsup 26040 mbfinf 26041 mbflim 26044 itg2split 26125 itgeqa 26189 itgfsum 26202 itgabs 26210 itggt0 26219 limciun 26269 dvlipcn 26369 dvfsumlem4 26404 dvfsum2 26409 itgsubst 26424 coeeq2 26616 ulmss 26781 leibpi 27327 rlimcnp 27350 o1cxp 27359 lgamgulmlem6 27418 fsumdvdscom 27569 lgseisenlem2 27760 disjunsn 33286 bnj110 35599 bnj1529 35811 rankse 35864 weiunpo 37468 weiunso 37469 weiunfr 37470 weiunse 37471 poimirlem23 38829 itgabsnc 38875 itggt0cn 38876 totbndbnd 38989 aks6d1c1p5 43428 aks6d1c1rh 43441 aks6d1c7 43500 unitscyglem3 43513 disjinfi 46480 fmptf 46524 caucvgbf 46772 climinff 46896 idlimc 46911 fnlimabslt 46962 limsupref 46968 limsupbnd1f 46969 climbddf 46970 climinf2 46990 limsupubuz 46996 climinfmpt 46998 limsupmnf 47004 limsupre2 47008 limsupmnfuz 47010 limsupre3 47016 limsupre3uz 47019 limsupreuz 47020 climuz 47027 lmbr3 47030 limsupgt 47061 liminfreuz 47086 liminflt 47088 xlimpnfxnegmnf 47097 xlimmnf 47124 xlimpnf 47125 dfxlim2 47131 cncfshift 47157 stoweidlem31 47314 iundjiun 47743 meaiunincf 47766 pimgtmnf2 47997 smfpimcc 48091 smfsup 48097 smfinflem 48100 smfinf 48101 cbvral2 48447 |
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