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Mirrors > Home > ILE Home > Th. List > 19.42vv | Unicode version |
Description: Theorem 19.42 of [Margaris] p. 90 with 2 quantifiers. (Contributed by NM, 16-Mar-1995.) |
Ref | Expression |
---|---|
19.42vv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exdistr 1920 |
. 2
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2 | 19.42v 1917 |
. 2
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3 | 1, 2 | bitri 184 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1457 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-4 1520 ax-17 1536 ax-ial 1544 |
This theorem depends on definitions: df-bi 117 |
This theorem is referenced by: 19.42vvv 1923 19.42vvvv 1924 exdistr2 1925 3exdistr 1926 ceqsex3v 2793 ceqsex4v 2794 elvvv 4703 dfoprab2 5937 resoprab 5986 ovi3 6027 ov6g 6028 oprabex3 6147 xpassen 6847 enq0enq 7447 enq0sym 7448 nqnq0pi 7454 axaddf 7884 axmulf 7885 |
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