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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 2375 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2383 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 Ⅎwnf 1509 Ⅎwnfc 2362 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-cleq 2224 df-clel 2227 df-nfc 2364 |
| This theorem is referenced by: issetf 2811 eqvincf 2932 csbhypf 3167 nfpr 3723 intab 3962 nfmpt 4186 cbvmptf 4188 cbvmpt 4189 repizf2 4258 moop2 4350 eusvnf 4556 elrnmpt1 4989 iotaexab 5312 fmptco 5821 elabrex 5908 elabrexg 5909 nfmpo 6100 cbvmpox 6109 ovmpodxf 6157 fmpox 6374 f1od2 6409 nfrecs 6516 erovlem 6839 xpf1o 7073 mapxpen 7077 mkvprop 7400 cc3 7530 lble 9169 nfsum1 11979 nfsum 11980 zsumdc 12008 fsum3 12011 fsum3cvg2 12018 fsum2dlemstep 12058 mertenslem2 12160 nfcprod1 12178 nfcprod 12179 zproddc 12203 fprod2dlemstep 12246 ctiunctlemfo 13123 ellimc3apf 15454 |
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