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| Mirrors > Home > ILE Home > Th. List > nfel1 | Unicode version | ||
| Description: Hypothesis builder for elementhood, special case. (Contributed by Mario Carneiro, 10-Oct-2016.) |
| Ref | Expression |
|---|---|
| nfeq1.1 |
|
| Ref | Expression |
|---|---|
| nfel1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfeq1.1 |
. 2
| |
| 2 | nfcv 2392 |
. 2
| |
| 3 | 1, 2 | nfel 2401 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| 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 10668 sumfct 12140 sumrbdclem 12144 summodclem3 12147 summodclem2a 12148 zsumdc 12151 fsumgcl 12153 fsum3 12154 isumss 12158 isumss2 12160 fsum3cvg2 12161 fsumsplitf 12175 fsum2dlemstep 12201 fisumcom2 12205 fsumshftm 12212 fisum0diag2 12214 fsummulc2 12215 fsum00 12229 fsumabs 12232 fsumrelem 12238 fsumiun 12244 isumshft 12257 mertenslem2 12303 prodrbdclem 12338 prodmodclem3 12342 prodmodclem2a 12343 zproddc 12346 fprodseq 12350 prodfct 12354 prodssdc 12356 fprodmul 12358 fprodm1s 12368 fprodp1s 12369 fprodcl2lem 12372 fprodabs 12383 fprod2dlemstep 12389 fprodcom2fi 12393 fprodrec 12396 fproddivapf 12398 fprodsplitf 12399 fprodsplit1f 12401 fprodle 12407 pcmpt 13122 pcmptdvds 13124 gsummptfidmadd 14161 iuncld 15216 fsumcncntop 15668 dvmptfsum 15826 |
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