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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 3303 with more disjoint variable conditions. (Contributed by NM, 31-Jul-2003.) Avoid ax-13 2402. (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 2923 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2923 | . 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 3303 | 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 3077 |
| 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 2836 df-nfc 2910 df-ral 3078 |
| This theorem is used by: cbviin 4994 disjxun 5101 ralxpf 5824 eqfnfv2f 7031 ralrnmptw 7092 dff13f 7257 ofrfval2 7712 fmpox 8076 ovmptss 8102 cbvixp 8935 mptelixpg 8956 boxcutc 8962 xpf1o 9151 indexfi 9342 ixpiunwdom 9577 dfac8clem 10104 acni2 10118 ac6c4 10552 iundom2g 10617 uniimadomf 10622 rabssnn0fi 14122 rlim2 15656 ello1mpt 15681 o1compt 15747 fsum00 15958 iserodd 17006 pcmptdvds 17065 catpropd 17876 invfuc 18145 gsummptnn0fz 20193 gsummoncoe1 22619 gsumply1eq 22620 fiuncmp 23715 elptr2 23886 ptcld 23925 ptclsg 23927 ptcnplem 23933 cnmpt11 23975 cnmpt21 23983 ovoliunlem3 25818 ovoliun 25819 ovoliun2 25820 finiunmbl 25858 volfiniun 25861 iunmbl 25867 voliun 25868 mbfeqalem1 25955 mbfsup 25978 mbfinf 25979 mbflim 25982 itg2split 26063 itgeqa 26127 itgfsum 26140 itgabs 26148 itggt0 26157 limciun 26207 dvlipcn 26307 dvfsumlem4 26342 dvfsum2 26347 itgsubst 26362 coeeq2 26554 ulmss 26717 leibpi 27263 rlimcnp 27286 o1cxp 27295 lgamgulmlem6 27354 fsumdvdscom 27505 lgseisenlem2 27696 disjunsn 33181 bnj110 35481 bnj1529 35693 weiunpo 37233 weiunso 37234 weiunfr 37235 weiunse 37236 poimirlem23 38541 itgabsnc 38587 itggt0cn 38588 totbndbnd 38703 aks6d1c1p5 43142 aks6d1c1rh 43155 aks6d1c7 43214 unitscyglem3 43227 disjinfi 46176 fmptf 46220 caucvgbf 46468 climinff 46592 idlimc 46607 fnlimabslt 46658 limsupref 46664 limsupbnd1f 46665 climbddf 46666 climinf2 46686 limsupubuz 46692 climinfmpt 46694 limsupmnf 46700 limsupre2 46704 limsupmnfuz 46706 limsupre3 46712 limsupre3uz 46715 limsupreuz 46716 climuz 46723 lmbr3 46726 limsupgt 46757 liminfreuz 46782 liminflt 46784 xlimpnfxnegmnf 46793 xlimmnf 46820 xlimpnf 46821 dfxlim2 46827 cncfshift 46853 stoweidlem31 47010 iundjiun 47439 meaiunincf 47462 pimgtmnf2 47693 smfpimcc 47787 smfsup 47793 smfinflem 47796 smfinf 47797 cbvral2 48142 |
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