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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 4132 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 = wceq 1402 class class class wbr 4128 |
| 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 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 theorem 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 3714 df-pr 3715 df-op 3717 df-br 4129 |
| This theorem is referenced by: breqtri 4153 en1 7079 snnen2og 7153 1nen2 7155 pm54.43 7529 caucvgprprlemval 8048 caucvgprprlemmu 8055 caucvgsr 8162 pitonnlem1 8205 lt0neg2 8790 le0neg2 8792 negap0 8951 recexaplem2 8973 recgt1 9220 crap0 9281 addltmul 9524 nn0lt10b 9708 nn0lt2 9709 3halfnz 9725 xlt0neg2 10223 xle0neg2 10225 iccshftr 10378 iccshftl 10380 iccdil 10382 icccntr 10384 fihashen1 11219 swrdccatin2 11482 pfxccat3 11487 cjap0 11654 abs00ap 11809 xrmaxiflemval 11997 mertenslem2 12284 mertensabs 12285 3dvdsdec 12613 3dvds2dec 12614 ndvdsi 12681 bitsfzo 12703 3prm 12887 prmfac1 12911 prm23lt5 13023 dec2dvds 13171 dec5dvds2 13173 ballotfilem4 13222 sinhalfpilem 15818 sincosq1lem 15852 sincosq1sgn 15853 sincosq2sgn 15854 sincosq3sgn 15855 sincosq4sgn 15856 logrpap0b 15903 gausslemma2dlem1a 16094 2lgsoddprmlem3 16147 konigsberglem4 16649 |
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