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Mirrors > Home > ILE Home > Th. List > r19.26-2 | Unicode version |
Description: Theorem 19.26 of [Margaris] p. 90 with 2 restricted quantifiers. (Contributed by NM, 10-Aug-2004.) |
Ref | Expression |
---|---|
r19.26-2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.26 2441 |
. . 3
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2 | 1 | ralbii 2330 |
. 2
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3 | r19.26 2441 |
. 2
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4 | 2, 3 | bitri 173 |
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 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-4 1400 ax-17 1419 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-ral 2311 |
This theorem is referenced by: fununi 4967 |
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