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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 7634 infssuzcldc 10678 sumfct 12156 sumrbdclem 12160 summodclem3 12163 summodclem2a 12164 zsumdc 12167 fsumgcl 12169 fsum3 12170 isumss 12174 isumss2 12176 fsum3cvg2 12177 fsumsplitf 12191 fsum2dlemstep 12217 fisumcom2 12221 fsumshftm 12228 fisum0diag2 12230 fsummulc2 12231 fsum00 12245 fsumabs 12248 fsumrelem 12254 fsumiun 12260 isumshft 12273 mertenslem2 12319 prodrbdclem 12354 prodmodclem3 12358 prodmodclem2a 12359 zproddc 12362 fprodseq 12366 prodfct 12370 prodssdc 12372 fprodmul 12374 fprodm1s 12384 fprodp1s 12385 fprodcl2lem 12388 fprodabs 12399 fprod2dlemstep 12405 fprodcom2fi 12409 fprodrec 12412 fproddivapf 12414 fprodsplitf 12415 fprodsplit1f 12417 fprodle 12423 pcmpt 13142 pcmptdvds 13144 gsummptfidmadd 14210 iuncld 15265 fsumcncntop 15717 dvmptfsum 15875 |
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