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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 |
|
| fssd.b |
|
| Ref | Expression |
|---|---|
| fssd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fssd.f |
. 2
| |
| 2 | fssd.b |
. 2
| |
| 3 | fss 5546 |
. 2
| |
| 4 | 1, 2, 3 | syl2anc 415 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-f 5381 |
| This theorem is used by: mapsnd 6970 mapss 6973 ac6sfi 7202 fseq1p1m1 10511 seqf1oglem2 10970 sswrd 11327 resqrexlemcvg 11799 resqrexlemsqa 11804 climcvg1nlem 12131 fsumcl2lem 12181 nninfctlemfo 12833 ennnfonelemh 13344 gzsumress 13761 gzsumwsubmcl 13850 gzsumsubmcl 14191 gsumsubmclfi 14212 gsumressfi 14216 cnrest2 15386 cnptoprest2 15390 cncfss 15733 limccnpcntop 15825 dvidre 15847 dvcoapbr 15857 dvef 15877 plyaddlem 15899 plymullem 15900 plycjlemc 15910 plycn 15912 dvply2g 15916 upgruhgr 16450 umgrupgr 16451 upgr1edc 16460 umgrislfupgrdom 16470 usgrislfuspgrdom 16529 isomninnlem 17177 trilpolemisumle 17185 iswomninnlem 17197 ismkvnnlem 17200 |
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