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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 2821 | . . . 4 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
3 | 1, 2 | issubrg 19518 | . . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) ↔ ((𝑅 ∈ Ring ∧ (𝑅 ↾s 𝐴) ∈ Ring) ∧ (𝐴 ⊆ 𝐵 ∧ (1r‘𝑅) ∈ 𝐴))) |
4 | 3 | simprbi 499 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝐴 ⊆ 𝐵 ∧ (1r‘𝑅) ∈ 𝐴)) |
5 | 4 | simpld 497 | 1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ⊆ wss 3924 ‘cfv 6341 (class class class)co 7142 Basecbs 16466 ↾s cress 16467 1rcur 19234 Ringcrg 19280 SubRingcsubrg 19514 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3488 df-sbc 3764 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-op 4560 df-uni 4825 df-br 5053 df-opab 5115 df-mpt 5133 df-id 5446 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-iota 6300 df-fun 6343 df-fv 6349 df-ov 7145 df-subrg 19516 |
This theorem is referenced by: subrgsubg 19524 subrg1 19528 subrgsubm 19531 subrgdvds 19532 subrguss 19533 subrginv 19534 subrgdv 19535 subrgmre 19542 issubdrg 19543 subsubrg 19544 sdrgss 19559 sdrgacs 19563 subdrgint 19565 abvres 19593 sralmod 19942 issubassa3 20080 sraassa 20082 aspid 20087 issubassa2 20104 resspsrbas 20178 resspsradd 20179 resspsrmul 20180 resspsrvsca 20181 mplassa 20218 ressmplbas2 20219 subrgascl 20261 subrgasclcl 20262 mplind 20265 evlsval2 20283 evlssca 20285 evlsscasrng 20293 mpfconst 20297 mpff 20300 mpfaddcl 20301 mpfmulcl 20302 mpfind 20303 ply1assa 20350 evls1val 20466 evls1rhm 20468 evls1sca 20469 evls1scasrng 20485 pf1f 20496 cnsubrg 20588 sranlm 23276 clmsscn 23666 cphreccllem 23765 cphdivcl 23769 cphabscl 23772 cphsqrtcl2 23773 cphsqrtcl3 23774 cphipcl 23778 4cphipval2 23828 resscdrg 23944 srabn 23946 plypf1 24788 dvply2g 24860 taylply2 24942 sralvec 31000 drgext0g 31002 drgextvsca 31003 drgext0gsca 31004 drgextsubrg 31005 drgextlsp 31006 drgextgsum 31007 fedgmullem1 31035 fedgmullem2 31036 fedgmul 31037 extdggt0 31057 fldexttr 31058 extdg1id 31063 selvval2lem4 39211 cnsrexpcl 39857 fsumcnsrcl 39858 cnsrplycl 39859 rgspnid 39864 rngunsnply 39865 |
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