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Related theorems GIF version |
| Description: Equality deduction for binary relation. |
| Ref | Expression |
|---|---|
| breq1d.1 | ⊢ (φ → A = B) |
| breq12d.2 | ⊢ (φ → C = D) |
| Ref | Expression |
|---|---|
| breq12d | ⊢ (φ → (ARC ↔ BRD)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1d.1 | . . 3 ⊢ (φ → A = B) | |
| 2 | 1 | breq1d 2071 | . 2 ⊢ (φ → (ARC ↔ BRC)) |
| 3 | breq12d.2 | . . 3 ⊢ (φ → C = D) | |
| 4 | 3 | breq2d 2072 | . 2 ⊢ (φ → (BRC ↔ BRD)) |
| 5 | 2, 4 | bitrd 406 | 1 ⊢ (φ → (ARC ↔ BRD)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 ↔ wb 127 = wceq 1091 class class class wbr 2054 |
| This theorem is referenced by: 3brtr3d 2086 pocl 2132 isoeq1 2925 isocnv 2934 isotr 2935 isotrALT 2936 caoprord 3070 xpsneng 3340 limensuc 3402 pssnn 3428 unfi 3441 infensuc 3484 unxpdom 3650 sucxpdom 3652 ltapq 3870 ltmpq 3871 reclem4pr 3953 ltasr 4003 sqgt0sr 4009 axltadd 4085 axmulgt0 4086 ltadd1t 4348 ltadd2t 4349 leadd1t 4350 leadd2t 4351 lesub1t 4352 lesub0t 4374 ltmul1 4394 ltdiv 4399 ltdivt 4404 halfpost 4508 znnsubt 4595 uzind 4603 ruclem24 4908 ruclem25 4909 ruclem29 4913 norm3adift 5098 occllem2 5181 projlem22 5214 projlem26 5218 pjdifnormt 5637 pjnormt 5666 pjnelt 5667 cvexcht 5763 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-16 922 ax-17 925 ax-ext 1074 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-un 1490 df-sn 1811 df-pr 1812 df-op 1815 df-br 2063 |