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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 4459 nfse 4488 rabxfrd 4617 mptfvex 5794 fvmptf 5801 fmptcof 5878 fliftfuns 6007 riota2f 6064 ovmpos 6215 ov2gf 6216 elovmporab 6292 elovmporab1w 6293 fmpox 6440 mpofvex 6445 qliftfuns 6897 xpf1o 7148 iunfidisj 7264 cc3 7640 infssuzcldc 10685 sumfct 12165 sumrbdclem 12169 summodclem3 12172 summodclem2a 12173 zsumdc 12176 fsumgcl 12178 fsum3 12179 isumss 12183 isumss2 12185 fsum3cvg2 12186 fsumsplitf 12200 fsum2dlemstep 12226 fisumcom2 12230 fsumshftm 12237 fisum0diag2 12239 fsummulc2 12240 fsum00 12254 fsumabs 12257 fsumrelem 12263 fsumiun 12269 isumshft 12282 mertenslem2 12328 prodrbdclem 12363 prodmodclem3 12367 prodmodclem2a 12368 zproddc 12371 fprodseq 12375 prodfct 12379 prodssdc 12381 fprodmul 12383 fprodm1s 12393 fprodp1s 12394 fprodcl2lem 12397 fprodabs 12408 fprod2dlemstep 12414 fprodcom2fi 12418 fprodrec 12421 fproddivapf 12423 fprodsplitf 12424 fprodsplit1f 12426 fprodle 12432 pcmpt 13151 pcmptdvds 13153 gsummptfidmadd 14251 gsummptfidmsplit 14254 idjusnfi 14270 iuncld 15341 fsumcncntop 15793 dvmptfsum 15951 |
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