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Mirrors > Home > MPE Home > Th. List > releqd | Structured version Visualization version GIF version |
Description: Equality deduction for the relation predicate. (Contributed by NM, 8-Mar-2014.) |
Ref | Expression |
---|---|
releqd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
releqd | ⊢ (𝜑 → (Rel 𝐴 ↔ Rel 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | releqd.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | releq 5124 | . 2 ⊢ (𝐴 = 𝐵 → (Rel 𝐴 ↔ Rel 𝐵)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (Rel 𝐴 ↔ Rel 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 = wceq 1475 Rel wrel 5043 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-in 3547 df-ss 3554 df-rel 5045 |
This theorem is referenced by: dftpos3 7257 tposfo2 7262 tposf12 7264 relexp0rel 13625 relexprelg 13626 relexpaddg 13641 imasaddfnlem 16011 imasvscafn 16020 cicer 16289 joindmss 16830 meetdmss 16844 mattpostpos 20079 cnextrel 21677 perpln1 25405 perpln2 25406 relfae 29637 dibvalrel 35470 dicvalrelN 35492 diclspsn 35501 dihvalrel 35586 dih1 35593 dihmeetlem4preN 35613 |
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