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Mirrors > Home > NFE 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 2489 | . 2 | |
3 | 1, 2 | nfel 2497 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wnf 1544 wcel 1710 wnfc 2476 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-cleq 2346 df-clel 2349 df-nfc 2478 |
This theorem is referenced by: vtocl2gf 2916 vtocl3gf 2917 vtoclgaf 2919 vtocl2gaf 2921 vtocl3gaf 2923 ov2gf 5711 fvmptf 5722 fmpt2x 5730 |
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