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Related theorems GIF version |
| Description: Equality theorem for restricted universal quantifier. |
| Ref | Expression |
|---|---|
| raleq1 | ⊢ (A = B → (∀x ∈ A φ ↔ ∀x ∈ B φ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 973 | . 2 ⊢ (y ∈ A → ∀x y ∈ A) | |
| 2 | ax-17 973 | . 2 ⊢ (y ∈ B → ∀x y ∈ B) | |
| 3 | 1, 2 | raleq1f 1786 | 1 ⊢ (A = B → (∀x ∈ A φ ↔ ∀x ∈ B φ)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 ↔ wb 146 = wceq 958 ∈ wcel 960 ∀wral 1648 |
| This theorem is referenced by: raleq1d 1792 raleqd 1794 sbralie 1944 inteq 2540 iineq1 2580 fri 2924 tfis 3133 tfinds 3167 fncnv 3567 cbvfo 3891 isoeq4 3896 f1oweALT 3912 tfrlem1 3917 tfrlem3 3919 tfrlem12 3928 ixpeq1 4359 unifiOLD 4570 supeq1 4584 bnd2 4734 aceq3lem 4742 aceq5lem4 4748 aceq5 4750 ac4c 4761 ac5 4762 kmlem1 4775 kmlem10 4784 kmlem12 4786 kmlem13 4787 zorn2lem7 4804 zorn2 4806 unidomg 4819 cfval 4918 xrsupsslem 6078 xrinfmsslem 6079 xrsupss 6080 xrinfmss 6081 cau4i 6918 cau5 6919 clmnns 7084 isumnn0nn 7207 infcvglem3 7223 cncfval 7264 acdc3lem 7487 acdc3 7488 acdc2lem1 7489 acdc2 7491 acdc5lem1 7492 acdc5 7494 acdclem 7495 acdc 7496 basgen2t 7638 cnfval 7753 cnpfval 7754 ismet 7795 dfms2 7796 ismsg 7797 msflem 7800 metreslem 7819 isgrp 8038 isabl 8097 ringi 8138 minveclem30 8570 spwval2 8649 spwpr2 8654 spwval 8655 spwnex 8657 ocvalt 9148 cdj3lem3b 10362 elghom 10379 homeofval 10502 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-cleq 1472 df-clel 1475 df-ral 1652 |