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Mirrors > Home > ILE Home > Th. List > r19.42v | Unicode version |
Description: Restricted version of Theorem 19.42 of [Margaris] p. 90. (Contributed by NM, 27-May-1998.) |
Ref | Expression |
---|---|
r19.42v |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.41v 2523 |
. 2
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2 | ancom 262 |
. . 3
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3 | 2 | rexbii 2385 |
. 2
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4 | ancom 262 |
. 2
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5 | 1, 3, 4 | 3bitr4i 210 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1381 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-4 1445 ax-17 1464 ax-ial 1472 |
This theorem depends on definitions: df-bi 115 df-tru 1292 df-nf 1395 df-rex 2365 |
This theorem is referenced by: ceqsrexbv 2748 ceqsrex2v 2749 2reuswapdc 2819 iunrab 3777 iunin2 3793 iundif2ss 3795 iunopab 4108 elxp2 4456 cnvuni 4622 elunirn 5545 f1oiso 5605 oprabrexex2 5901 genpdflem 7066 1idprl 7149 1idpru 7150 ltexprlemm 7159 rexuz2 9069 4fvwrd4 9551 divalgb 11203 |
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