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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 6417 euen1 6975 euen1b 6976 2dom 6979 modom2 6994 infglbti 7223 pr2nelem 7395 pr2cv2 7400 caucvgprprlemnbj 7912 caucvgprprlemmu 7914 caucvgprprlemaddq 7927 caucvgprprlem1 7928 gt0srpr 7967 caucvgsr 8021 mappsrprg 8023 map2psrprg 8024 pitonnlem1 8064 pitoregt0 8068 axprecex 8099 axpre-mulgt0 8106 axcaucvglemres 8118 lt0neg1 8647 le0neg1 8649 reclt1 9075 addltmul 9380 eluz2b1 9834 nn01to3 9850 xlt0neg1 10072 xle0neg1 10074 iccshftr 10228 iccshftl 10230 iccdil 10232 icccntr 10234 bernneq 10921 cbvsum 11920 expcnv 12064 cbvprod 12118 oddge22np1 12441 nn0o1gt2 12465 isprm3 12689 dvdsnprmd 12696 pw2dvdslemn 12736 txmetcnp 15241 sincosq1sgn 15549 sincosq3sgn 15551 sincosq4sgn 15552 logrpap0b 15599 gausslemma2dlem3 15791 |
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