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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 2808 eqvincf 2929 csbhypf 3164 nfpr 3717 intab 3955 nfmpt 4179 cbvmptf 4181 cbvmpt 4182 repizf2 4250 moop2 4342 eusvnf 4548 elrnmpt1 4981 iotaexab 5303 fmptco 5809 elabrex 5893 elabrexg 5894 nfmpo 6085 cbvmpox 6094 ovmpodxf 6142 fmpox 6360 f1od2 6395 nfrecs 6468 erovlem 6791 xpf1o 7025 mapxpen 7029 mkvprop 7348 cc3 7477 lble 9117 nfsum1 11907 nfsum 11908 zsumdc 11935 fsum3 11938 fsum3cvg2 11945 fsum2dlemstep 11985 mertenslem2 12087 nfcprod1 12105 nfcprod 12106 zproddc 12130 fprod2dlemstep 12173 ctiunctlemfo 13050 ellimc3apf 15374 |
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