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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 3307 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2406. (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 2927 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2927 | . 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 3307 | 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 3081 |
| 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 2148 ax-11 2195 ax-12 2216 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-nf 1817 df-clel 2840 df-nfc 2914 df-ral 3082 |
| This theorem is used by: cbvralsvwOLD 3320 cbviin 5002 disjxun 5109 ralxpf 5834 eqfnfv2f 7033 ralrnmptw 7093 dff13f 7258 ofrfval2 7705 fmpox 8070 ovmptss 8094 cbvixp 8918 mptelixpg 8939 boxcutc 8945 xpf1o 9134 indexfi 9324 ixpiunwdom 9559 dfac8clem 10032 acni2 10046 ac6c4 10480 iundom2g 10539 uniimadomf 10544 rabssnn0fi 14040 rlim2 15571 ello1mpt 15596 o1compt 15662 fsum00 15873 iserodd 16917 pcmptdvds 16976 catpropd 17787 invfuc 18056 gsummptnn0fz 20100 gsummoncoe1 22518 gsumply1eq 22519 fiuncmp 23611 elptr2 23782 ptcld 23821 ptclsg 23823 ptcnplem 23829 cnmpt11 23871 cnmpt21 23879 ovoliunlem3 25714 ovoliun 25715 ovoliun2 25716 finiunmbl 25754 volfiniun 25757 iunmbl 25763 voliun 25764 mbfeqalem1 25851 mbfsup 25874 mbfinf 25875 mbflim 25878 itg2split 25959 itgeqa 26024 itgfsum 26037 itgabs 26045 itggt0 26054 limciun 26104 dvlipcn 26204 dvfsumlem4 26239 dvfsum2 26244 itgsubst 26259 coeeq2 26450 ulmss 26611 leibpi 27158 rlimcnp 27181 o1cxp 27190 lgamgulmlem6 27249 fsumdvdscom 27400 lgseisenlem2 27591 disjunsn 33010 bnj110 35311 bnj1529 35523 weiunpo 37033 weiunso 37034 weiunfr 37035 weiunse 37036 poimirlem23 38351 itgabsnc 38397 itggt0cn 38398 totbndbnd 38498 aks6d1c1p5 42937 aks6d1c1rh 42950 aks6d1c7 43009 unitscyglem3 43022 disjinfi 45968 fmptf 46012 caucvgbf 46261 climinff 46385 idlimc 46400 fnlimabslt 46451 limsupref 46457 limsupbnd1f 46458 climbddf 46459 climinf2 46479 limsupubuz 46485 climinfmpt 46487 limsupmnf 46493 limsupre2 46497 limsupmnfuz 46499 limsupre3 46505 limsupre3uz 46508 limsupreuz 46509 climuz 46516 lmbr3 46519 limsupgt 46550 liminfreuz 46575 liminflt 46577 xlimpnfxnegmnf 46586 xlimmnf 46613 xlimpnf 46614 dfxlim2 46620 cncfshift 46646 stoweidlem31 46803 iundjiun 47232 meaiunincf 47255 pimgtmnf2 47486 smfpimcc 47580 smfsup 47586 smfinflem 47589 smfinf 47590 cbvral2 47898 |
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