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| Mirrors > Home > ILE Home > Th. List > breq2i | GIF version | ||
| Description: Equality inference for a binary relation. (Contributed by NM, 8-Feb-1996.) |
| Ref | Expression |
|---|---|
| breq1i.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| breq2i | ⊢ (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | breq2 4134 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ↔ wb 105 = wceq 1402 class class class wbr 4130 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-br 4131 |
| This theorem is used by: breqtri 4155 en1 7086 snnen2og 7160 1nen2 7162 pm54.43 7537 caucvgprprlemval 8056 caucvgprprlemmu 8063 caucvgsr 8170 pitonnlem1 8213 lt0neg2 8799 le0neg2 8801 negap0 8961 recexaplem2 8983 recgt1 9230 crap0 9291 addltmul 9547 nn0lt10b 9731 nn0lt2 9732 3halfnz 9748 xlt0neg2 10252 xle0neg2 10254 iccshftr 10407 iccshftl 10409 iccdil 10411 icccntr 10413 fihashen1 11254 swrdccatin2 11517 pfxccat3 11522 cjap0 11689 abs00ap 11844 xrmaxiflemval 12035 mertenslem2 12322 mertensabs 12323 3dvdsdec 12651 3dvds2dec 12652 ndvdsi 12719 bitsfzo 12741 3prm 12925 prmfac1 12950 prm23lt5 13065 dec2dvds 13213 dec5dvds2 13215 prmlem0 13243 ballotfilem4 13293 efap1p 15971 sinhalfpilem 15984 sincosq1lem 16018 sincosq1sgn 16019 sincosq2sgn 16020 sincosq3sgn 16021 sincosq4sgn 16022 logrpap0b 16070 bposlem6 16277 gausslemma2dlem1a 16343 2lgsoddprmlem3 16396 konigsberglem4 16898 |
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