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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 2926 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfeq 2939 | 1 ⊢ Ⅎ𝑥 𝐴 = 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 Ⅎwnf 1816 Ⅎwnfc 2911 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-tru 1573 df-ex 1813 df-nf 1817 df-cleq 2755 df-nfc 2913 |
| This theorem is used by: euabsn 4689 invdisjrab 5095 disjxun 5106 iunopeqop 5501 iunopeqopOLD 5502 fvelimad 6983 opabiotafun 6996 fvmptt 7045 eusvobj2 7443 oprabv 7511 ovmpodv2 7610 ov3 7615 dom2lem 9057 ttrcltr 9754 pwfseqlem2 10783 fsumf1o 15933 isummulc2 15972 fsum00 16009 isumshft 16052 zprod 16148 fprodf1o 16157 prodss 16158 fprodle 16207 iserodd 17057 yonedalem4b 18500 gsum2d2lem 20238 gsummptnn0fz 20251 gsummoncoe1 22681 elptr2 23948 ovoliunnul 25883 mbfinf 26041 itg2splitlem 26124 dgrle 26617 noinfbnd1 28143 disjabrex 33274 disjabrexf 33275 disjunsn 33286 voliune 34973 volfiniune 34974 bnj958 35681 bnj1491 35798 srepdflem1 36126 finminlem 37321 poimirlem23 38829 poimirlem28 38834 cdleme43fsv1snlem 41743 ltrniotaval 41904 cdlemksv2 42170 cdlemkuv2 42190 cdlemk36 42236 cdlemkid 42259 cdlemk19x 42266 eq0rabdioph 44053 monotoddzz 44216 disjinfi 46480 dvnprodlem1 47229 stoweidlem28 47311 stoweidlem48 47331 stoweidlem58 47341 etransclem32 47549 sge0f1o 47665 sge0gtfsumgt 47726 voliunsge0lem 47755 sssmf 48021 |
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