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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 5897 elabrexg 5898 nfmpo 6089 cbvmpox 6098 ovmpodxf 6146 fmpox 6364 f1od2 6399 nfrecs 6472 erovlem 6795 xpf1o 7029 mapxpen 7033 mkvprop 7356 cc3 7486 lble 9126 nfsum1 11916 nfsum 11917 zsumdc 11944 fsum3 11947 fsum3cvg2 11954 fsum2dlemstep 11994 mertenslem2 12096 nfcprod1 12114 nfcprod 12115 zproddc 12139 fprod2dlemstep 12182 ctiunctlemfo 13059 ellimc3apf 15383 |
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