![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > fnssres | Structured version Visualization version GIF version |
Description: Restriction of a function with a subclass of its domain. (Contributed by NM, 2-Aug-1994.) |
Ref | Expression |
---|---|
fnssres | ⊢ ((𝐹 Fn 𝐴 ∧ 𝐵 ⊆ 𝐴) → (𝐹 ↾ 𝐵) Fn 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnssresb 6441 | . 2 ⊢ (𝐹 Fn 𝐴 → ((𝐹 ↾ 𝐵) Fn 𝐵 ↔ 𝐵 ⊆ 𝐴)) | |
2 | 1 | biimpar 481 | 1 ⊢ ((𝐹 Fn 𝐴 ∧ 𝐵 ⊆ 𝐴) → (𝐹 ↾ 𝐵) Fn 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ⊆ wss 3881 ↾ cres 5521 Fn wfn 6319 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-res 5531 df-fun 6326 df-fn 6327 |
This theorem is referenced by: fnssresd 6443 fnresin1 6444 fnresin2 6445 fnresi 6448 fssres 6518 fvreseq0 6785 fnreseql 6795 ffvresb 6865 fnressn 6897 soisores 7059 oprres 7296 ofres 7405 fsplitfpar 7797 fnsuppres 7840 tfrlem1 7995 tz7.48lem 8060 tz7.49c 8065 resixp 8480 ixpfi2 8806 dfac12lem1 9554 ackbij2lem3 9652 cfsmolem 9681 alephsing 9687 ttukeylem3 9922 iunfo 9950 fpwwe2lem8 10048 mulnzcnopr 11275 seqfeq2 13389 seqf1olem2 13406 bpolylem 15394 reeff1 15465 sscres 17085 fullsubc 17112 fullresc 17113 funcres2c 17163 dmaf 17301 cdaf 17302 frmdplusg 18011 frmdss2 18020 gass 18423 dprdfadd 19135 mgpf 19305 prdscrngd 19359 subrgascl 20737 mdetrsca 21208 upxp 22228 uptx 22230 cnmpt1st 22273 cnmpt2nd 22274 cnextfres1 22673 prdstmdd 22729 ressprdsds 22978 prdsxmslem2 23136 xrsdsre 23415 itg1addlem4 24303 recosf1o 25127 resinf1o 25128 dvdsmulf1o 25779 ex-fpar 28247 sspg 28511 ssps 28513 sspmlem 28515 sspn 28519 hhssnv 29047 ressupprn 30450 1stpreimas 30465 dimkerim 31111 cnre2csqlem 31263 rmulccn 31281 raddcn 31282 carsggect 31686 subiwrdlen 31754 signsvtn0 31950 signstres 31955 bnj1253 32399 bnj1280 32402 subfacp1lem3 32542 subfacp1lem5 32544 cvmlift2lem9a 32663 filnetlem4 33842 finixpnum 35042 poimirlem4 35061 poimirlem8 35065 ftc1anclem3 35132 isdrngo2 35396 diaintclN 38354 dibintclN 38463 dihintcl 38640 imaiinfv 39634 fnwe2lem2 39995 aomclem6 40003 deg1mhm 40151 limsupvaluz2 42380 supcnvlimsup 42382 limsupgtlem 42419 resincncf 42517 icccncfext 42529 dvnprodlem1 42588 fourierdlem42 42791 fourierdlem73 42821 rnghmresfn 44587 rnghmsscmap2 44597 rnghmsscmap 44598 rhmresfn 44633 rhmsscmap2 44643 rhmsscmap 44644 fdivmpt 44954 |
Copyright terms: Public domain | W3C validator |