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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 5377 |
. 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 3135 df-ss 3142 df-f 5220 |
This theorem is referenced by: mapss 6690 ac6sfi 6897 fseq1p1m1 10093 resqrexlemcvg 11027 resqrexlemsqa 11032 climcvg1nlem 11356 fsumcl2lem 11405 ennnfonelemh 12404 cnrest2 13706 cnptoprest2 13710 cncfss 14040 limccnpcntop 14114 dvcoapbr 14141 dvef 14158 isomninnlem 14748 trilpolemisumle 14756 iswomninnlem 14767 ismkvnnlem 14770 |
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