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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 3311 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2410. (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 2931 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2931 | . 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 3311 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 Ⅎwnf 1810 ∀wral 3085 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-11 2198 ax-12 2219 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1807 df-nf 1811 df-clel 2844 df-nfc 2918 df-ral 3086 |
| This theorem is referenced by: cbvralsvwOLD 3324 cbviin 5004 disjxun 5111 ralxpf 5833 eqfnfv2f 7030 ralrnmptw 7090 dff13f 7254 ofrfval2 7696 fmpox 8063 ovmptss 8087 cbvixp 8911 mptelixpg 8932 boxcutc 8938 xpf1o 9126 indexfi 9316 ixpiunwdom 9551 dfac8clem 10015 acni2 10029 ac6c4 10464 iundom2g 10523 uniimadomf 10528 rabssnn0fi 14021 rlim2 15546 ello1mpt 15571 o1compt 15637 fsum00 15849 iserodd 16894 pcmptdvds 16953 catpropd 17764 invfuc 18033 gsummptnn0fz 20055 gsummoncoe1 22436 gsumply1eq 22437 fiuncmp 23529 elptr2 23699 ptcld 23738 ptclsg 23740 ptcnplem 23746 cnmpt11 23788 cnmpt21 23796 ovoliunlem3 25631 ovoliun 25632 ovoliun2 25633 finiunmbl 25671 volfiniun 25674 iunmbl 25680 voliun 25681 mbfeqalem1 25768 mbfsup 25791 mbfinf 25792 mbflim 25795 itg2split 25876 itgeqa 25941 itgfsum 25954 itgabs 25962 itggt0 25971 limciun 26021 dvlipcn 26121 dvfsumlem4 26156 dvfsum2 26161 itgsubst 26176 coeeq2 26367 ulmss 26525 leibpi 27072 rlimcnp 27095 o1cxp 27104 lgamgulmlem6 27163 fsumdvdscom 27314 lgseisenlem2 27505 disjunsn 32879 bnj110 35190 bnj1529 35402 weiunpo 36864 weiunso 36865 weiunfr 36866 weiunse 36867 poimirlem23 38181 itgabsnc 38227 itggt0cn 38228 totbndbnd 38327 aks6d1c1p5 42768 aks6d1c1rh 42781 aks6d1c7 42840 unitscyglem3 42853 disjinfi 45801 fmptf 45845 caucvgbf 46094 climinff 46218 idlimc 46233 fnlimabslt 46284 limsupref 46290 limsupbnd1f 46291 climbddf 46292 climinf2 46312 limsupubuz 46318 climinfmpt 46320 limsupmnf 46326 limsupre2 46330 limsupmnfuz 46332 limsupre3 46338 limsupre3uz 46341 limsupreuz 46342 climuz 46349 lmbr3 46352 limsupgt 46383 liminfreuz 46408 liminflt 46410 xlimpnfxnegmnf 46419 xlimmnf 46446 xlimpnf 46447 dfxlim2 46453 cncfshift 46479 stoweidlem31 46636 iundjiun 47065 meaiunincf 47088 pimgtmnf2 47319 smfpimcc 47413 smfsup 47419 smfinflem 47422 smfinf 47423 cbvral2 47728 |
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