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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 3304 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2403. (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 2924 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2924 | . 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 3304 | 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 3078 |
| 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 2215 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-nf 1817 df-clel 2837 df-nfc 2911 df-ral 3079 |
| This theorem is used by: cbviin 4998 disjxun 5105 ralxpf 5830 eqfnfv2f 7030 ralrnmptw 7091 dff13f 7256 ofrfval2 7703 fmpox 8068 ovmptss 8094 cbvixp 8925 mptelixpg 8946 boxcutc 8952 xpf1o 9141 indexfi 9331 ixpiunwdom 9566 dfac8clem 10039 acni2 10053 ac6c4 10487 iundom2g 10552 uniimadomf 10557 rabssnn0fi 14054 rlim2 15587 ello1mpt 15612 o1compt 15678 fsum00 15889 iserodd 16933 pcmptdvds 16992 catpropd 17803 invfuc 18072 gsummptnn0fz 20119 gsummoncoe1 22539 gsumply1eq 22540 fiuncmp 23635 elptr2 23806 ptcld 23845 ptclsg 23847 ptcnplem 23853 cnmpt11 23895 cnmpt21 23903 ovoliunlem3 25738 ovoliun 25739 ovoliun2 25740 finiunmbl 25778 volfiniun 25781 iunmbl 25787 voliun 25788 mbfeqalem1 25875 mbfsup 25898 mbfinf 25899 mbflim 25902 itg2split 25983 itgeqa 26048 itgfsum 26061 itgabs 26069 itggt0 26078 limciun 26128 dvlipcn 26228 dvfsumlem4 26263 dvfsum2 26268 itgsubst 26283 coeeq2 26475 ulmss 26640 leibpi 27187 rlimcnp 27210 o1cxp 27219 lgamgulmlem6 27278 fsumdvdscom 27429 lgseisenlem2 27620 disjunsn 33075 bnj110 35375 bnj1529 35587 weiunpo 37092 weiunso 37093 weiunfr 37094 weiunse 37095 poimirlem23 38400 itgabsnc 38446 itggt0cn 38447 totbndbnd 38547 aks6d1c1p5 42986 aks6d1c1rh 42999 aks6d1c7 43058 unitscyglem3 43071 disjinfi 46032 fmptf 46076 caucvgbf 46325 climinff 46449 idlimc 46464 fnlimabslt 46515 limsupref 46521 limsupbnd1f 46522 climbddf 46523 climinf2 46543 limsupubuz 46549 climinfmpt 46551 limsupmnf 46557 limsupre2 46561 limsupmnfuz 46563 limsupre3 46569 limsupre3uz 46572 limsupreuz 46573 climuz 46580 lmbr3 46583 limsupgt 46614 liminfreuz 46639 liminflt 46641 xlimpnfxnegmnf 46650 xlimmnf 46677 xlimpnf 46678 dfxlim2 46684 cncfshift 46710 stoweidlem31 46867 iundjiun 47296 meaiunincf 47319 pimgtmnf2 47550 smfpimcc 47644 smfsup 47650 smfinflem 47653 smfinf 47654 cbvral2 47999 |
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