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Mirrors > Home > ILE Home > Th. List > issetri | Unicode version |
Description: A way to say "![]() |
Ref | Expression |
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issetri.1 |
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Ref | Expression |
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issetri |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | issetri.1 |
. 2
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2 | isset 2743 |
. 2
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3 | 1, 2 | mpbir 146 |
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-ie1 1493 ax-ie2 1494 ax-8 1504 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-v 2739 |
This theorem is referenced by: 0ex 4128 inex1 4135 vpwex 4177 zfpair2 4208 uniex 4435 bdinex1 14455 bj-zfpair2 14466 bj-uniex 14473 bj-omex2 14533 |
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