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Mirrors > Home > MPE Home > Th. List > subrgss | Structured version Visualization version GIF version |
Description: A subring is a subset. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
Ref | Expression |
---|---|
subrgss.1 | ⊢ 𝐵 = (Base‘𝑅) |
Ref | Expression |
---|---|
subrgss | ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | subrgss.1 | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
2 | eqid 2798 | . . . 4 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
3 | 1, 2 | issubrg 19528 | . . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) ↔ ((𝑅 ∈ Ring ∧ (𝑅 ↾s 𝐴) ∈ Ring) ∧ (𝐴 ⊆ 𝐵 ∧ (1r‘𝑅) ∈ 𝐴))) |
4 | 3 | simprbi 500 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝐴 ⊆ 𝐵 ∧ (1r‘𝑅) ∈ 𝐴)) |
5 | 4 | simpld 498 | 1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ⊆ wss 3881 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 ↾s cress 16476 1rcur 19244 Ringcrg 19290 SubRingcsubrg 19524 |
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-pow 5231 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-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fv 6332 df-ov 7138 df-subrg 19526 |
This theorem is referenced by: subrgsubg 19534 subrg1 19538 subrgsubm 19541 subrgdvds 19542 subrguss 19543 subrginv 19544 subrgdv 19545 subrgmre 19552 issubdrg 19553 subsubrg 19554 sdrgss 19569 sdrgacs 19573 subdrgint 19575 abvres 19603 sralmod 19952 cnsubrg 20151 issubassa3 20554 sraassa 20556 aspid 20561 issubassa2 20578 resspsrbas 20653 resspsradd 20654 resspsrmul 20655 resspsrvsca 20656 mplassa 20694 ressmplbas2 20695 subrgascl 20737 subrgasclcl 20738 mplind 20741 evlsval2 20759 evlssca 20761 evlsscasrng 20769 mpfconst 20773 mpff 20776 mpfaddcl 20777 mpfmulcl 20778 mpfind 20779 ply1assa 20828 evls1val 20944 evls1rhm 20946 evls1sca 20947 evls1scasrng 20963 pf1f 20974 sranlm 23290 clmsscn 23684 cphreccllem 23783 cphdivcl 23787 cphabscl 23790 cphsqrtcl2 23791 cphsqrtcl3 23792 cphipcl 23796 4cphipval2 23846 resscdrg 23962 srabn 23964 plypf1 24809 dvply2g 24881 taylply2 24963 idlinsubrg 31016 sralvec 31078 drgext0g 31080 drgextvsca 31081 drgext0gsca 31082 drgextsubrg 31083 drgextlsp 31084 drgextgsum 31085 fedgmullem1 31113 fedgmullem2 31114 fedgmul 31115 extdggt0 31135 fldexttr 31136 extdg1id 31141 selvval2lem4 39431 cnsrexpcl 40109 fsumcnsrcl 40110 cnsrplycl 40111 rgspnid 40116 rngunsnply 40117 |
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