| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > breq | Structured version Visualization version GIF version | ||
| Description: Equality theorem for binary relations. (Contributed by NM, 4-Jun-1995.) |
| Ref | Expression |
|---|---|
| breq | ⊢ (𝑅 = 𝑆 → (𝐴𝑅𝐵 ↔ 𝐴𝑆𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq2 2826 | . 2 ⊢ (𝑅 = 𝑆 → (〈𝐴, 𝐵〉 ∈ 𝑅 ↔ 〈𝐴, 𝐵〉 ∈ 𝑆)) | |
| 2 | df-br 5087 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 〈𝐴, 𝐵〉 ∈ 𝑅) | |
| 3 | df-br 5087 | . 2 ⊢ (𝐴𝑆𝐵 ↔ 〈𝐴, 𝐵〉 ∈ 𝑆) | |
| 4 | 1, 2, 3 | 3bitr4g 314 | 1 ⊢ (𝑅 = 𝑆 → (𝐴𝑅𝐵 ↔ 𝐴𝑆𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 〈cop 4574 class class class wbr 5086 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-clel 2812 df-br 5087 |
| This theorem is referenced by: breqi 5092 breqd 5097 poeq1 5537 soeq1 5555 freq1 5593 fveq1 6835 foeqcnvco 7250 f1eqcocnv 7251 isoeq2 7268 isoeq3 7269 eqfunresadj 7310 brfvopab 7419 ofreq 7630 supeq3 9357 oieq1 9422 ttrcleq 9625 dcomex 10364 axdc2lem 10365 brdom3 10445 brdom7disj 10448 brdom6disj 10449 dfrtrclrec2 15015 relexpindlem 15020 rtrclind 15022 shftfval 15027 isprs 18257 isdrs 18262 ispos 18275 istos 18377 resspos 18390 chneq1 18573 efglem 19686 frgpuplem 19742 ordtval 23168 utop2nei 24229 utop3cls 24230 isucn2 24257 ucnima 24259 iducn 24261 ex-opab 30521 acycgr0v 35350 prclisacycgr 35353 satf 35555 cureq 37937 poimirlem31 37992 poimir 37994 cosseq 38857 elrefrels3 38940 elcnvrefrels3 38956 elsymrels3 38979 elsymrels5 38981 eltrrels3 39005 eleqvrels3 39018 brabsb2 39328 rfovfvd 44453 fsovrfovd 44460 relpeq2 45396 relpeq3 45397 sprsymrelf 47973 sprsymrelfo 47975 upwlkbprop 48632 |
| Copyright terms: Public domain | W3C validator |