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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 2384 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2392 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 Ⅎwnf 1509 Ⅎwnfc 2371 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-cleq 2225 df-clel 2228 df-nfc 2373 |
| This theorem is referenced by: issetf 2820 eqvincf 2941 csbhypf 3176 nfpr 3738 intab 3977 nfmpt 4201 cbvmptf 4203 cbvmpt 4204 repizf2 4274 moop2 4367 eusvnf 4573 elrnmpt1 5007 iotaexab 5330 fmptco 5842 elabrex 5929 elabrexg 5930 nfmpo 6121 cbvmpox 6130 ovmpodxf 6178 fmpox 6395 f1od2 6430 nfrecs 6537 erovlem 6860 xpf1o 7096 mapxpen 7100 mkvprop 7448 cc3 7581 lble 9220 nfsum1 12037 nfsum 12038 zsumdc 12066 fsum3 12069 fsum3cvg2 12076 fsum2dlemstep 12116 mertenslem2 12218 nfcprod1 12236 nfcprod 12237 zproddc 12261 fprod2dlemstep 12304 ctiunctlemfo 13182 ellimc3apf 15517 |
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