| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > resss | Structured version Visualization version GIF version | ||
| Description: A class includes its restriction. Exercise 15 of [TakeutiZaring] p. 25. (Contributed by NM, 2-Aug-1994.) |
| Ref | Expression |
|---|---|
| resss | ⊢ (𝐴 ↾ 𝐵) ⊆ 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-res 5674 | . 2 ⊢ (𝐴 ↾ 𝐵) = (𝐴 ∩ (𝐵 × V)) | |
| 2 | inss1 4197 | . 2 ⊢ (𝐴 ∩ (𝐵 × V)) ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3991 | 1 ⊢ (𝐴 ↾ 𝐵) ⊆ 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: Vcvv 3463 ∩ cin 3912 ⊆ wss 3913 × cxp 5660 ↾ cres 5664 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 df-in 3920 df-ss 3930 df-res 5674 |
| This theorem is referenced by: dmresss 6011 rnresss 6017 relssres 6022 resexg 6027 iss 6038 mptss 6045 cnvcnvss 6193 relresfld 6278 funres 6579 funres11 6614 funcnvres 6615 2elresin 6657 fssres 6745 foimacnv 6839 frxp 8122 fnwelem 8127 tposss 8223 dftpos4 8241 smores 8339 smores2 8341 tfrlem15 8379 finresfin 9232 imafi 9275 fidomdm 9291 imafi2 9318 marypha1lem 9393 hartogslem1 9504 r0weon 9996 ackbij2lem3 10223 axdc3lem2 10435 dmct 10508 smobeth 10571 wunres 10716 vdwnnlem1 17055 symgsssg 19537 symgfisg 19538 psgnunilem5 19564 odf1o2 19643 gsumzres 19979 gsumzaddlem 19991 gsumzadd 19992 gsum2dlem2 20041 dprdfadd 20092 dprdres 20100 dprd2dlem1 20113 dprd2da 20114 lindfres 21942 opsrtoslem2 22176 txss12 23731 txbasval 23732 fmss 24072 ustneism 24350 trust 24355 isngp2 24723 equivcau 25428 metsscmetcld 25443 volf 25657 dvcnvrelem1 26145 pserdv 26558 dvlog 26782 dchrelbas2 27367 issubgr2 29563 subgrprop2 29565 uhgrspansubgr 29582 hlimadd 31486 hlimcaui 31529 hhssabloilem 31554 hhsst 31559 hhsssh2 31563 hhsscms 31571 occllem 31596 nlelchi 32354 hmopidmchi 32444 fnresin 32910 fressupp 32974 pfxrn2 33201 omsmon 34633 carsggect 34653 eulerpartlemmf 34710 funpartss 36369 brresi2 38293 bnd2lem 38364 idresssidinxp 38887 disjimres 39423 aks6d1c2 42821 eqresfnbd 42927 diophrw 43416 dnnumch2 43698 lmhmlnmsplit 43740 hbtlem6 43782 dfrcl2 44326 relexpaddss 44370 cotrclrcl 44394 frege131d 44416 resimass 45881 fourierdlem42 46789 fourierdlem80 46826 isubgredgss 48553 isubgrsubgr 48557 setrecsres 50399 |
| Copyright terms: Public domain | W3C validator |