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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 4112 | . 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 1398 class class class wbr 4109 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2815 df-un 3215 df-sn 3695 df-pr 3696 df-op 3698 df-br 4110 |
| This theorem is referenced by: eqbrtri 4130 brtpos0 6483 euen1 7042 euen1b 7043 2dom 7046 modom2 7062 infglbti 7316 pr2nelem 7488 pr2cv2 7493 caucvgprprlemnbj 8008 caucvgprprlemmu 8010 caucvgprprlemaddq 8023 caucvgprprlem1 8024 gt0srpr 8063 caucvgsr 8117 mappsrprg 8119 map2psrprg 8120 pitonnlem1 8160 pitoregt0 8164 axprecex 8195 axpre-mulgt0 8202 axcaucvglemres 8214 lt0neg1 8742 le0neg1 8744 reclt1 9170 addltmul 9475 eluz2b1 9933 nn01to3 9949 xlt0neg1 10171 xle0neg1 10173 iccshftr 10327 iccshftl 10329 iccdil 10331 icccntr 10333 bernneq 11022 cbvsum 12045 expcnv 12190 cbvprod 12244 oddge22np1 12567 nn0o1gt2 12591 isprm3 12815 dvdsnprmd 12822 pw2dvdslemn 12862 txmetcnp 15383 sincosq1sgn 15691 sincosq3sgn 15693 sincosq4sgn 15694 logrpap0b 15741 gausslemma2dlem3 15936 konigsberglem5 16487 |
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