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| Mirrors > Home > MPE Home > Th. List > nfeq1 | Structured version Visualization version GIF version | ||
| Description: Hypothesis builder for equality, special case. (Contributed by Mario Carneiro, 10-Oct-2016.) |
| Ref | Expression |
|---|---|
| nfeq1.1 | ⊢ Ⅎ𝑥𝐴 |
| Ref | Expression |
|---|---|
| nfeq1 | ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfeq1.1 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2922 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2935 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 Ⅎwnf 1815 Ⅎwnfc 2907 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1572 df-ex 1812 df-nf 1816 df-cleq 2752 df-nfc 2909 |
| This theorem is used by: euabsn 4683 invdisjrab 5089 disjxun 5100 iunopeqop 5493 iunopeqopOLD 5494 fvelimad 6953 opabiotafun 6966 fvmptt 7015 eusvobj2 7413 oprabv 7481 ovmpodv2 7579 ov3 7584 dom2lem 9023 ttrcltr 9721 pwfseqlem2 10748 fsumf1o 15895 isummulc2 15934 fsum00 15971 isumshft 16014 zprod 16110 fprodf1o 16119 prodss 16120 fprodle 16169 iserodd 17019 yonedalem4b 18456 gsum2d2lem 20193 gsummptnn0fz 20206 gsummoncoe1 22632 elptr2 23899 ovoliunnul 25834 mbfinf 25992 itg2splitlem 26075 dgrle 26568 noinfbnd1 28092 disjabrex 33224 disjabrexf 33225 disjunsn 33236 voliune 34909 volfiniune 34910 bnj958 35617 bnj1491 35734 srepdflem1 36005 finminlem 37199 poimirlem23 38655 poimirlem28 38660 cdleme43fsv1snlem 41571 ltrniotaval 41732 cdlemksv2 41998 cdlemkuv2 42018 cdlemk36 42064 cdlemkid 42087 cdlemk19x 42094 eq0rabdioph 43881 monotoddzz 44044 disjinfi 46301 dvnprodlem1 47050 stoweidlem28 47132 stoweidlem48 47152 stoweidlem58 47162 etransclem32 47370 sge0f1o 47486 sge0gtfsumgt 47547 voliunsge0lem 47576 sssmf 47842 |
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