| 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 5636 | . 2 ⊢ (𝐴 ↾ 𝐵) = (𝐴 ∩ (𝐵 × V)) | |
| 2 | inss1 4189 | . 2 ⊢ (𝐴 ∩ (𝐵 × V)) ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3980 | 1 ⊢ (𝐴 ↾ 𝐵) ⊆ 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: Vcvv 3440 ∩ cin 3900 ⊆ wss 3901 × cxp 5622 ↾ cres 5626 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3442 df-in 3908 df-ss 3918 df-res 5636 |
| This theorem is referenced by: dmresss 5970 rnresss 5976 relssres 5981 resexg 5986 iss 5994 mptss 6001 relresfld 6234 funres 6534 funres11 6569 funcnvres 6570 2elresin 6613 fssres 6700 foimacnv 6791 frxp 8068 fnwelem 8073 tposss 8169 dftpos4 8187 smores 8284 smores2 8286 tfrlem15 8323 finresfin 9174 imafi 9217 fidomdm 9236 imafi2 9263 marypha1lem 9338 hartogslem1 9449 r0weon 9924 ackbij2lem3 10152 axdc3lem2 10363 dmct 10436 smobeth 10499 wunres 10644 vdwnnlem1 16925 symgsssg 19398 symgfisg 19399 psgnunilem5 19425 odf1o2 19504 gsumzres 19840 gsumzaddlem 19852 gsumzadd 19853 gsum2dlem2 19902 dprdfadd 19953 dprdres 19961 dprd2dlem1 19974 dprd2da 19975 lindfres 21780 opsrtoslem2 22013 txss12 23551 txbasval 23552 fmss 23892 ustneism 24170 trust 24175 isngp2 24543 equivcau 25258 metsscmetcld 25273 volf 25488 dvcnvrelem1 25980 pserdv 26397 dvlog 26618 dchrelbas2 27206 issubgr2 29347 subgrprop2 29349 uhgrspansubgr 29366 hlimadd 31270 hlimcaui 31313 hhssabloilem 31338 hhsst 31343 hhsssh2 31347 hhsscms 31355 occllem 31380 nlelchi 32138 hmopidmchi 32228 fnresin 32704 fressupp 32769 pfxrn2 33024 omsmon 34457 carsggect 34477 eulerpartlemmf 34534 funpartss 36140 brresi2 37923 bnd2lem 37994 idresssidinxp 38512 disjimres 39031 aks6d1c2 42406 eqresfnbd 42510 diophrw 43022 dnnumch2 43308 lmhmlnmsplit 43350 hbtlem6 43392 dfrcl2 43936 relexpaddss 43980 cotrclrcl 44004 frege131d 44026 resimass 45505 fourierdlem42 46414 fourierdlem80 46451 isubgredgss 48132 isubgrsubgr 48136 setrecsres 49968 |
| Copyright terms: Public domain | W3C validator |