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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 2372 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2380 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 Ⅎwnf 1506 Ⅎwnfc 2359 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-cleq 2222 df-clel 2225 df-nfc 2361 |
| This theorem is referenced by: issetf 2807 eqvincf 2928 csbhypf 3163 nfpr 3716 intab 3952 nfmpt 4176 cbvmptf 4178 cbvmpt 4179 repizf2 4246 moop2 4338 eusvnf 4544 elrnmpt1 4975 iotaexab 5297 fmptco 5803 elabrex 5887 elabrexg 5888 nfmpo 6079 cbvmpox 6088 ovmpodxf 6136 fmpox 6352 f1od2 6387 nfrecs 6459 erovlem 6782 xpf1o 7013 mapxpen 7017 mkvprop 7336 cc3 7465 lble 9105 nfsum1 11882 nfsum 11883 zsumdc 11910 fsum3 11913 fsum3cvg2 11920 fsum2dlemstep 11960 mertenslem2 12062 nfcprod1 12080 nfcprod 12081 zproddc 12105 fprod2dlemstep 12148 ctiunctlemfo 13025 ellimc3apf 15349 |
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