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Mirrors > Home > ILE Home > Th. List > elin3 | Unicode version |
Description: Membership in a class defined as a ternary intersection. (Contributed by Stefan O'Rear, 29-Mar-2015.) |
Ref | Expression |
---|---|
elin3.x |
Ref | Expression |
---|---|
elin3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elin 3300 | . . 3 | |
2 | 1 | anbi1i 454 | . 2 |
3 | elin3.x | . . 3 | |
4 | 3 | elin2 3305 | . 2 |
5 | df-3an 969 | . 2 | |
6 | 2, 4, 5 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 w3a 967 wceq 1342 wcel 2135 cin 3110 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-v 2723 df-in 3117 |
This theorem is referenced by: (None) |
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