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| Mirrors > Home > ILE Home > Th. List > nfel1 | GIF version | ||
| Description: Hypothesis builder for elementhood, special case. (Contributed by Mario Carneiro, 10-Oct-2016.) |
| Ref | Expression |
|---|---|
| nfeq1.1 | ⊢ Ⅎ𝑥𝐴 |
| Ref | Expression |
|---|---|
| nfel1 | ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfeq1.1 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2392 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | nfel 2401 | 1 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: Ⅎwnf 1513 ∈ wcel 2209 Ⅎwnfc 2379 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-cleq 2231 df-clel 2234 df-nfc 2381 |
| This theorem is used by: vtocl2gf 2885 vtocl3gf 2886 vtoclgaf 2888 vtocl2gaf 2890 vtocl3gaf 2892 nfop 3920 pofun 4457 nfse 4486 rabxfrd 4615 mptfvex 5791 fvmptf 5798 fmptcof 5875 fliftfuns 6004 riota2f 6061 ovmpos 6212 ov2gf 6213 elovmporab 6289 elovmporab1w 6290 fmpox 6436 mpofvex 6441 qliftfuns 6893 xpf1o 7144 iunfidisj 7260 cc3 7635 infssuzcldc 10679 sumfct 12159 sumrbdclem 12163 summodclem3 12166 summodclem2a 12167 zsumdc 12170 fsumgcl 12172 fsum3 12173 isumss 12177 isumss2 12179 fsum3cvg2 12180 fsumsplitf 12194 fsum2dlemstep 12220 fisumcom2 12224 fsumshftm 12231 fisum0diag2 12233 fsummulc2 12234 fsum00 12248 fsumabs 12251 fsumrelem 12257 fsumiun 12263 isumshft 12276 mertenslem2 12322 prodrbdclem 12357 prodmodclem3 12361 prodmodclem2a 12362 zproddc 12365 fprodseq 12369 prodfct 12373 prodssdc 12375 fprodmul 12377 fprodm1s 12387 fprodp1s 12388 fprodcl2lem 12391 fprodabs 12402 fprod2dlemstep 12408 fprodcom2fi 12412 fprodrec 12415 fproddivapf 12417 fprodsplitf 12418 fprodsplit1f 12420 fprodle 12426 pcmpt 13145 pcmptdvds 13147 gsummptfidmadd 14245 iuncld 15307 fsumcncntop 15759 dvmptfsum 15917 |
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