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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 4096 | . 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 4093 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 df-op 3682 df-br 4094 |
| This theorem is referenced by: eqbrtri 4114 brtpos0 6461 euen1 7019 euen1b 7020 2dom 7023 modom2 7038 infglbti 7267 pr2nelem 7439 pr2cv2 7444 caucvgprprlemnbj 7956 caucvgprprlemmu 7958 caucvgprprlemaddq 7971 caucvgprprlem1 7972 gt0srpr 8011 caucvgsr 8065 mappsrprg 8067 map2psrprg 8068 pitonnlem1 8108 pitoregt0 8112 axprecex 8143 axpre-mulgt0 8150 axcaucvglemres 8162 lt0neg1 8690 le0neg1 8692 reclt1 9118 addltmul 9423 eluz2b1 9879 nn01to3 9895 xlt0neg1 10117 xle0neg1 10119 iccshftr 10273 iccshftl 10275 iccdil 10277 icccntr 10279 bernneq 10968 cbvsum 11983 expcnv 12128 cbvprod 12182 oddge22np1 12505 nn0o1gt2 12529 isprm3 12753 dvdsnprmd 12760 pw2dvdslemn 12800 txmetcnp 15312 sincosq1sgn 15620 sincosq3sgn 15622 sincosq4sgn 15623 logrpap0b 15670 gausslemma2dlem3 15865 konigsberglem5 16416 |
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