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| Mirrors > Home > ILE Home > Th. List > breq1i | GIF version | ||
| Description: Equality inference for a binary relation. (Contributed by NM, 8-Feb-1996.) |
| Ref | Expression |
|---|---|
| breq1i.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| breq1i | ⊢ (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | breq1 4086 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 = wceq 1395 class class class wbr 4083 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2801 df-un 3201 df-sn 3672 df-pr 3673 df-op 3675 df-br 4084 |
| This theorem is referenced by: eqbrtri 4104 brtpos0 6404 euen1 6962 euen1b 6963 2dom 6966 infglbti 7203 pr2nelem 7375 pr2cv2 7380 caucvgprprlemnbj 7891 caucvgprprlemmu 7893 caucvgprprlemaddq 7906 caucvgprprlem1 7907 gt0srpr 7946 caucvgsr 8000 mappsrprg 8002 map2psrprg 8003 pitonnlem1 8043 pitoregt0 8047 axprecex 8078 axpre-mulgt0 8085 axcaucvglemres 8097 lt0neg1 8626 le0neg1 8628 reclt1 9054 addltmul 9359 eluz2b1 9808 nn01to3 9824 xlt0neg1 10046 xle0neg1 10048 iccshftr 10202 iccshftl 10204 iccdil 10206 icccntr 10208 bernneq 10894 cbvsum 11886 expcnv 12030 cbvprod 12084 oddge22np1 12407 nn0o1gt2 12431 isprm3 12655 dvdsnprmd 12662 pw2dvdslemn 12702 txmetcnp 15207 sincosq1sgn 15515 sincosq3sgn 15517 sincosq4sgn 15518 logrpap0b 15565 gausslemma2dlem3 15757 |
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