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Mirrors > Home > ILE Home > Th. List > dfin5 | Unicode version |
Description: Alternate definition for the intersection of two classes. (Contributed by NM, 6-Jul-2005.) |
Ref | Expression |
---|---|
dfin5 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-in 3136 |
. 2
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2 | df-rab 2464 |
. 2
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3 | 1, 2 | eqtr4i 2201 |
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 1447 ax-gen 1449 ax-4 1510 ax-17 1526 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-cleq 2170 df-rab 2464 df-in 3136 |
This theorem is referenced by: nfin 3342 rabbi2dva 3344 ssfidc 6934 suprzubdc 11953 nninfdcex 11954 nnmindc 12035 nnminle 12036 znnen 12399 bj-inex 14662 |
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