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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 2386 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2394 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 Ⅎwnf 1509 Ⅎwnfc 2373 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-cleq 2227 df-clel 2230 df-nfc 2375 |
| This theorem is referenced by: issetf 2823 eqvincf 2945 csbhypf 3180 nfpr 3744 intab 3983 nfmpt 4207 cbvmptf 4209 cbvmpt 4210 repizf2 4280 moop2 4373 eusvnf 4579 elrnmpt1 5013 iotaexab 5336 fmptco 5848 dfimafnf 5928 elabrex 5936 elabrexg 5937 nfmpo 6130 cbvmpox 6139 ovmpodxf 6187 fmpox 6409 f1od2 6444 nfrecs 6551 erovlem 6874 xpf1o 7110 mapxpen 7114 mkvprop 7462 cc3 7598 lble 9238 nfsum1 12066 nfsum 12067 zsumdc 12095 fsum3 12098 fsum3cvg2 12105 fsum2dlemstep 12145 mertenslem2 12247 nfcprod1 12265 nfcprod 12266 zproddc 12290 fprod2dlemstep 12333 ctiunctlemfo 13274 ellimc3apf 15651 |
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