Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > cbvral | Structured version Visualization version GIF version |
Description: Rule used to change bound variables, using implicit substitution. (Contributed by NM, 31-Jul-2003.) |
Ref | Expression |
---|---|
cbvral.1 | ⊢ Ⅎ𝑦𝜑 |
cbvral.2 | ⊢ Ⅎ𝑥𝜓 |
cbvral.3 | ⊢ (𝑥 = 𝑦 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
cbvral | ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2764 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | nfcv 2764 | . 2 ⊢ Ⅎ𝑦𝐴 | |
3 | cbvral.1 | . 2 ⊢ Ⅎ𝑦𝜑 | |
4 | cbvral.2 | . 2 ⊢ Ⅎ𝑥𝜓 | |
5 | cbvral.3 | . 2 ⊢ (𝑥 = 𝑦 → (𝜑 ↔ 𝜓)) | |
6 | 1, 2, 3, 4, 5 | cbvralf 3165 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 Ⅎwnf 1708 ∀wral 2912 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 |
This theorem is referenced by: cbvralv 3171 cbvralsv 3182 cbviin 4558 disjxun 4651 ralxpf 5268 eqfnfv2f 6315 ralrnmpt 6368 dff13f 6513 ofrfval2 6915 fmpt2x 7236 ovmptss 7258 cbvixp 7925 mptelixpg 7945 boxcutc 7951 xpf1o 8122 indexfi 8274 ixpiunwdom 8496 dfac8clem 8855 acni2 8869 ac6num 9301 ac6c4 9303 iundom2g 9362 uniimadomf 9367 rabssnn0fi 12785 rlim2 14227 ello1mpt 14252 o1compt 14318 fsum00 14530 iserodd 15540 pcmptdvds 15598 catpropd 16369 invfuc 16634 gsummptnn0fz 18382 gsummoncoe1 19674 gsumply1eq 19675 fiuncmp 21207 elptr2 21377 ptcld 21416 ptclsg 21418 ptcnplem 21424 cnmpt11 21466 cnmpt21 21474 ovoliunlem3 23272 ovoliun 23273 ovoliun2 23274 finiunmbl 23312 volfiniun 23315 iunmbl 23321 voliun 23322 mbfeqalem 23409 mbfsup 23431 mbfinf 23432 mbflim 23435 itg2split 23516 itgeqa 23580 itgfsum 23593 itgabs 23601 itggt0 23608 limciun 23658 dvlipcn 23757 dvfsumlem4 23792 dvfsum2 23797 itgsubst 23812 coeeq2 23998 ulmss 24151 leibpi 24669 rlimcnp 24692 o1cxp 24701 lgamgulmlem6 24760 fsumdvdscom 24911 lgseisenlem2 25101 disjunsn 29407 bnj110 30928 bnj1529 31138 poimirlem23 33432 itgabsnc 33479 itggt0cn 33482 totbndbnd 33588 disjinfi 39380 fmptf 39448 climinff 39843 idlimc 39858 fnlimabslt 39911 limsupref 39917 limsupbnd1f 39918 climbddf 39919 climinf2 39939 limsupubuz 39945 climinfmpt 39947 limsupmnf 39953 limsupre2 39957 limsupmnfuz 39959 limsupre3 39965 limsupre3uz 39968 limsupreuz 39969 climuz 39976 lmbr3 39979 liminflelimsup 40008 limsupgt 40010 liminfreuz 40035 liminflt 40037 xlimmnf 40067 xlimpnf 40068 dfxlim2 40074 cncfshift 40087 stoweidlem31 40248 iundjiun 40677 pimgtmnf2 40924 smfpimcc 41014 smfsup 41020 smfinflem 41023 smfinf 41024 cbvral2 41172 |
Copyright terms: Public domain | W3C validator |