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Mirrors > Home > ILE Home > Th. List > r19.44mv | Unicode version |
Description: Restricted version of Theorem 19.44 of [Margaris] p. 90. (Contributed by NM, 27-May-1998.) |
Ref | Expression |
---|---|
r19.44mv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.9rmv 3454 | . . 3 | |
2 | 1 | orbi2d 779 | . 2 |
3 | r19.43 2589 | . 2 | |
4 | 2, 3 | syl6rbbr 198 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 wo 697 wex 1468 wcel 1480 wrex 2417 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 df-clel 2135 df-rex 2422 |
This theorem is referenced by: frecabcl 6296 |
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