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Mirrors > Home > ILE Home > Th. List > r19.29d2r | Unicode version |
Description: Theorem 19.29 of [Margaris] p. 90 with two restricted quantifiers, deduction version (Contributed by Thierry Arnoux, 30-Jan-2017.) |
Ref | Expression |
---|---|
r19.29d2r.1 |
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r19.29d2r.2 |
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Ref | Expression |
---|---|
r19.29d2r |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.29d2r.1 |
. . 3
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2 | r19.29d2r.2 |
. . 3
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3 | r19.29 2495 |
. . 3
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4 | 1, 2, 3 | syl2anc 403 |
. 2
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5 | r19.29 2495 |
. . 3
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6 | 5 | reximi 2459 |
. 2
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7 | 4, 6 | syl 14 |
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 1377 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-4 1441 ax-ial 1468 |
This theorem depends on definitions: df-bi 115 df-ral 2354 df-rex 2355 |
This theorem is referenced by: r19.29vva 2501 cauappcvgprlemdisj 6903 |
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