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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 2374 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2382 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 Ⅎwnf 1508 Ⅎwnfc 2361 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-cleq 2224 df-clel 2227 df-nfc 2363 |
| This theorem is referenced by: issetf 2810 eqvincf 2931 csbhypf 3166 nfpr 3719 intab 3957 nfmpt 4181 cbvmptf 4183 cbvmpt 4184 repizf2 4252 moop2 4344 eusvnf 4550 elrnmpt1 4983 iotaexab 5305 fmptco 5813 elabrex 5898 elabrexg 5899 nfmpo 6090 cbvmpox 6099 ovmpodxf 6147 fmpox 6365 f1od2 6400 nfrecs 6473 erovlem 6796 xpf1o 7030 mapxpen 7034 mkvprop 7357 cc3 7487 lble 9127 nfsum1 11934 nfsum 11935 zsumdc 11963 fsum3 11966 fsum3cvg2 11973 fsum2dlemstep 12013 mertenslem2 12115 nfcprod1 12133 nfcprod 12134 zproddc 12158 fprod2dlemstep 12201 ctiunctlemfo 13078 ellimc3apf 15403 |
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