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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 2401. (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 2922 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2922 | . 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 |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 Ⅎwnf 1816 ∀wral 3076 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-11 2194 ax-12 2213 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-nf 1817 df-clel 2835 df-nfc 2909 df-ral 3077 |
| This theorem is used by: cbviin 4994 disjxun 5101 ralxpf 5826 eqfnfv2f 7026 ralrnmptw 7087 dff13f 7252 ofrfval2 7699 fmpox 8064 ovmptss 8090 cbvixp 8921 mptelixpg 8942 boxcutc 8948 xpf1o 9137 indexfi 9327 ixpiunwdom 9562 dfac8clem 10035 acni2 10049 ac6c4 10483 iundom2g 10548 uniimadomf 10553 rabssnn0fi 14050 rlim2 15583 ello1mpt 15608 o1compt 15674 fsum00 15885 iserodd 16927 pcmptdvds 16986 catpropd 17797 invfuc 18066 gsummptnn0fz 20113 gsummoncoe1 22533 gsumply1eq 22534 fiuncmp 23629 elptr2 23800 ptcld 23839 ptclsg 23841 ptcnplem 23847 cnmpt11 23889 cnmpt21 23897 ovoliunlem3 25732 ovoliun 25733 ovoliun2 25734 finiunmbl 25772 volfiniun 25775 iunmbl 25781 voliun 25782 mbfeqalem1 25869 mbfsup 25892 mbfinf 25893 mbflim 25896 itg2split 25977 itgeqa 26041 itgfsum 26054 itgabs 26062 itggt0 26071 limciun 26121 dvlipcn 26221 dvfsumlem4 26256 dvfsum2 26261 itgsubst 26276 coeeq2 26468 ulmss 26633 leibpi 27179 rlimcnp 27202 o1cxp 27211 lgamgulmlem6 27270 fsumdvdscom 27421 lgseisenlem2 27612 disjunsn 33067 bnj110 35367 bnj1529 35579 weiunpo 37084 weiunso 37085 weiunfr 37086 weiunse 37087 poimirlem23 38392 itgabsnc 38438 itggt0cn 38439 totbndbnd 38539 aks6d1c1p5 42978 aks6d1c1rh 42991 aks6d1c7 43050 unitscyglem3 43063 disjinfi 46024 fmptf 46068 caucvgbf 46317 climinff 46441 idlimc 46456 fnlimabslt 46507 limsupref 46513 limsupbnd1f 46514 climbddf 46515 climinf2 46535 limsupubuz 46541 climinfmpt 46543 limsupmnf 46549 limsupre2 46553 limsupmnfuz 46555 limsupre3 46561 limsupre3uz 46564 limsupreuz 46565 climuz 46572 lmbr3 46575 limsupgt 46606 liminfreuz 46631 liminflt 46633 xlimpnfxnegmnf 46642 xlimmnf 46669 xlimpnf 46670 dfxlim2 46676 cncfshift 46702 stoweidlem31 46859 iundjiun 47288 meaiunincf 47311 pimgtmnf2 47542 smfpimcc 47636 smfsup 47642 smfinflem 47645 smfinf 47646 cbvral2 47991 |
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