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Related theorems GIF version |
| Description: Change the bound variable of a restricted universal quantifier using implicit substitution. |
| Ref | Expression |
|---|---|
| cbvralv.1 | ⊢ (x = y → (φ ↔ ψ)) |
| Ref | Expression |
|---|---|
| cbvralv | ⊢ (∀x ∈ A φ ↔ ∀y ∈ A ψ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 975 | . 2 ⊢ (φ → ∀yφ) | |
| 2 | ax-17 975 | . 2 ⊢ (ψ → ∀xψ) | |
| 3 | cbvralv.1 | . 2 ⊢ (x = y → (φ ↔ ψ)) | |
| 4 | 1, 2, 3 | cbvral 1805 | 1 ⊢ (∀x ∈ A φ ↔ ∀y ∈ A ψ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 ↔ wb 146 = wceq 960 ∀wral 1652 |
| This theorem is referenced by: cbvral2v 1810 cbvral3v 1811 reu7 1942 dfwe2 2951 tfinds 3177 cnvpo 3538 tfrlem1 3927 rdglem1 3953 tz7.48lem 3971 nneneq 4532 supmo 4591 supmaxlem 4603 aceq1 4746 aceq2 4748 aceq5 4757 kmlem12 4793 kmlem14 4795 zorn2lem7 4811 zorn2 4813 nnleltp1 5968 xrub 6112 supxrre 6115 uzwo3lem2 6252 uzwo3 6253 uzwo 6423 uzwoOLD 6424 fsequb 6491 sqr2irrlem3 6758 cau3iri 6947 cvg2i 6954 faclbnd4lem4 6983 bccl2 7003 caucvg3 7200 cvgcmp3cetlem1 7220 cvgcmp3cetlem2 7221 isum1pi 7238 isummulc1iALT 7245 negfcncfi 7301 acdc3 7520 acdc2 7523 acdc5 7526 acdc 7528 elcls3 7737 grpideu 8079 ubthlem1 8554 spwmo 8681 sincolem 8689 pilem2 8696 grothinf 8805 hlimcauii 9130 adjsym 9783 lnopunilem1 9959 elunop2 9962 lnophm 9968 lnopconi 9987 cnlnadjlem5 10028 mdbr3 10249 mdbr4 10250 dmdbr3 10257 dmdbr4 10258 mddmd2 10261 cayleylem2 10435 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 966 ax-gen 967 ax-8 968 ax-12 972 ax-17 975 ax-4 977 ax-5o 979 ax-6o 982 ax-9o 1127 ax-ext 1464 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 985 df-cleq 1475 df-clel 1478 df-ral 1656 |