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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 4091 | . 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 1397 class class class wbr 4088 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-v 2804 df-un 3204 df-sn 3675 df-pr 3676 df-op 3678 df-br 4089 |
| This theorem is referenced by: eqbrtri 4109 brtpos0 6418 euen1 6976 euen1b 6977 2dom 6980 modom2 6995 infglbti 7224 pr2nelem 7396 pr2cv2 7401 caucvgprprlemnbj 7913 caucvgprprlemmu 7915 caucvgprprlemaddq 7928 caucvgprprlem1 7929 gt0srpr 7968 caucvgsr 8022 mappsrprg 8024 map2psrprg 8025 pitonnlem1 8065 pitoregt0 8069 axprecex 8100 axpre-mulgt0 8107 axcaucvglemres 8119 lt0neg1 8648 le0neg1 8650 reclt1 9076 addltmul 9381 eluz2b1 9835 nn01to3 9851 xlt0neg1 10073 xle0neg1 10075 iccshftr 10229 iccshftl 10231 iccdil 10233 icccntr 10235 bernneq 10923 cbvsum 11938 expcnv 12083 cbvprod 12137 oddge22np1 12460 nn0o1gt2 12484 isprm3 12708 dvdsnprmd 12715 pw2dvdslemn 12755 txmetcnp 15261 sincosq1sgn 15569 sincosq3sgn 15571 sincosq4sgn 15572 logrpap0b 15619 gausslemma2dlem3 15811 konigsberglem5 16362 |
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