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Mirrors > Home > ILE Home > Th. List > fssd | Unicode version |
Description: Expanding the codomain of a mapping, deduction form. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
fssd.f |
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fssd.b |
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Ref | Expression |
---|---|
fssd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fssd.f |
. 2
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2 | fssd.b |
. 2
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3 | fss 5378 |
. 2
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4 | 1, 2, 3 | syl2anc 411 |
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-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-11 1506 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-in 3136 df-ss 3143 df-f 5221 |
This theorem is referenced by: mapss 6691 ac6sfi 6898 fseq1p1m1 10094 resqrexlemcvg 11028 resqrexlemsqa 11033 climcvg1nlem 11357 fsumcl2lem 11406 ennnfonelemh 12405 cnrest2 13739 cnptoprest2 13743 cncfss 14073 limccnpcntop 14147 dvcoapbr 14174 dvef 14191 isomninnlem 14781 trilpolemisumle 14789 iswomninnlem 14800 ismkvnnlem 14803 |
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