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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 1815 ∀wral 3076 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-11 2193 ax-12 2212 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-nf 1816 df-clel 2835 df-nfc 2909 df-ral 3077 |
| This theorem is used by: cbviin 4993 disjxun 5100 ralxpf 5825 eqfnfv2f 7038 ralrnmptw 7099 dff13f 7263 ofrfval2 7718 fmpox 8083 ovmptssOLD 8110 cbvixp 8950 mptelixpg 8971 boxcutc 8977 xpf1o 9166 indexfi 9357 ixpiunwdom 9591 dfac8clem 10118 acni2 10132 ac6c4 10566 iundom2g 10631 uniimadomf 10636 rabssnn0fi 14136 rlim2 15672 ello1mpt 15697 o1compt 15763 fsum00 15974 iserodd 17022 pcmptdvds 17081 catpropd 17892 invfuc 18161 gsummptnn0fz 20209 gsummoncoe1 22635 gsumply1eq 22636 fiuncmp 23731 elptr2 23902 ptcld 23941 ptclsg 23943 ptcnplem 23949 cnmpt11 23991 cnmpt21 23999 ovoliunlem3 25834 ovoliun 25835 ovoliun2 25836 finiunmbl 25874 volfiniun 25877 iunmbl 25883 voliun 25884 mbfeqalem1 25971 mbfsup 25994 mbfinf 25995 mbflim 25998 itg2split 26079 itgeqa 26143 itgfsum 26156 itgabs 26164 itggt0 26173 limciun 26223 dvlipcn 26323 dvfsumlem4 26358 dvfsum2 26363 itgsubst 26378 coeeq2 26570 ulmss 26733 leibpi 27279 rlimcnp 27302 o1cxp 27311 lgamgulmlem6 27370 fsumdvdscom 27521 lgseisenlem2 27712 disjunsn 33239 bnj110 35538 bnj1529 35750 rankse 35799 weiunpo 37377 weiunso 37378 weiunfr 37379 weiunse 37380 poimirlem23 38698 itgabsnc 38744 itggt0cn 38745 totbndbnd 38860 aks6d1c1p5 43299 aks6d1c1rh 43312 aks6d1c7 43371 unitscyglem3 43384 disjinfi 46343 fmptf 46387 caucvgbf 46635 climinff 46759 idlimc 46774 fnlimabslt 46825 limsupref 46831 limsupbnd1f 46832 climbddf 46833 climinf2 46853 limsupubuz 46859 climinfmpt 46861 limsupmnf 46867 limsupre2 46871 limsupmnfuz 46873 limsupre3 46879 limsupre3uz 46882 limsupreuz 46883 climuz 46890 lmbr3 46893 limsupgt 46924 liminfreuz 46949 liminflt 46951 xlimpnfxnegmnf 46960 xlimmnf 46987 xlimpnf 46988 dfxlim2 46994 cncfshift 47020 stoweidlem31 47177 iundjiun 47606 meaiunincf 47629 pimgtmnf2 47860 smfpimcc 47954 smfsup 47960 smfinflem 47963 smfinf 47964 cbvral2 48310 |
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