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| Mirrors > Home > ILE Home > Th. List > nfeq2 | GIF version | ||
| Description: Hypothesis builder for equality, special case. (Contributed by Mario Carneiro, 10-Oct-2016.) |
| Ref | Expression |
|---|---|
| nfeq2.1 | ⊢ Ⅎ𝑥𝐵 |
| Ref | Expression |
|---|---|
| nfeq2 | ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2392 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2400 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1402 Ⅎwnf 1513 Ⅎwnfc 2379 |
| 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-tru 1405 df-nf 1514 df-sb 1816 df-cleq 2231 df-clel 2234 df-nfc 2381 |
| This theorem is referenced by: issetf 2829 eqvincf 2951 csbhypf 3186 nfpr 3755 intab 3994 nfmpt 4218 cbvmptf 4220 cbvmpt 4221 repizf2 4294 moop2 4387 eusvnf 4594 elrnmpt1 5028 iotaexab 5351 fmptco 5865 dfimafnf 5945 elabrex 5953 elabrexg 5954 nfmpo 6147 cbvmpox 6156 ovmpodxf 6204 fmpox 6426 f1od2 6461 nfrecs 6568 erovlem 6891 xpf1o 7134 mapxpen 7138 mkvprop 7488 cc3 7624 lble 9267 hashf1lem2 11264 nfsum1 12100 nfsum 12101 zsumdc 12129 fsum3 12132 fsum3cvg2 12139 fsum2dlemstep 12179 mertenslem2 12281 nfcprod1 12299 nfcprod 12300 zproddc 12324 fprod2dlemstep 12367 ctiunctlemfo 13308 ellimc3apf 15684 |
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