![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > subrgid | GIF version |
Description: Every ring is a subring of itself. (Contributed by Stefan O'Rear, 30-Nov-2014.) |
Ref | Expression |
---|---|
subrgss.1 | β’ π΅ = (Baseβπ ) |
Ref | Expression |
---|---|
subrgid | β’ (π β Ring β π΅ β (SubRingβπ )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 | . 2 β’ (π β Ring β π β Ring) | |
2 | subrgss.1 | . . 3 β’ π΅ = (Baseβπ ) | |
3 | 2 | ringressid 13296 | . 2 β’ (π β Ring β (π βΎs π΅) β Ring) |
4 | eqid 2187 | . . . 4 β’ (1rβπ ) = (1rβπ ) | |
5 | 2, 4 | ringidcl 13257 | . . 3 β’ (π β Ring β (1rβπ ) β π΅) |
6 | ssid 3187 | . . 3 β’ π΅ β π΅ | |
7 | 5, 6 | jctil 312 | . 2 β’ (π β Ring β (π΅ β π΅ β§ (1rβπ ) β π΅)) |
8 | 2, 4 | issubrg 13404 | . 2 β’ (π΅ β (SubRingβπ ) β ((π β Ring β§ (π βΎs π΅) β Ring) β§ (π΅ β π΅ β§ (1rβπ ) β π΅))) |
9 | 1, 3, 7, 8 | syl21anbrc 1183 | 1 β’ (π β Ring β π΅ β (SubRingβπ )) |
Colors of variables: wff set class |
Syntax hints: β wi 4 β§ wa 104 = wceq 1363 β wcel 2158 β wss 3141 βcfv 5228 (class class class)co 5888 Basecbs 12475 βΎs cress 12476 1rcur 13196 Ringcrg 13233 SubRingcsubrg 13400 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-coll 4130 ax-sep 4133 ax-pow 4186 ax-pr 4221 ax-un 4445 ax-setind 4548 ax-cnex 7915 ax-resscn 7916 ax-1cn 7917 ax-1re 7918 ax-icn 7919 ax-addcl 7920 ax-addrcl 7921 ax-mulcl 7922 ax-addcom 7924 ax-addass 7926 ax-i2m1 7929 ax-0lt1 7930 ax-0id 7932 ax-rnegex 7933 ax-pre-ltirr 7936 ax-pre-lttrn 7938 ax-pre-ltadd 7940 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-fal 1369 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-ne 2358 df-nel 2453 df-ral 2470 df-rex 2471 df-reu 2472 df-rmo 2473 df-rab 2474 df-v 2751 df-sbc 2975 df-csb 3070 df-dif 3143 df-un 3145 df-in 3147 df-ss 3154 df-nul 3435 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-int 3857 df-iun 3900 df-br 4016 df-opab 4077 df-mpt 4078 df-id 4305 df-xp 4644 df-rel 4645 df-cnv 4646 df-co 4647 df-dm 4648 df-rn 4649 df-res 4650 df-ima 4651 df-iota 5190 df-fun 5230 df-fn 5231 df-f 5232 df-f1 5233 df-fo 5234 df-f1o 5235 df-fv 5236 df-riota 5844 df-ov 5891 df-oprab 5892 df-mpo 5893 df-pnf 8007 df-mnf 8008 df-ltxr 8010 df-inn 8933 df-2 8991 df-3 8992 df-ndx 12478 df-slot 12479 df-base 12481 df-sets 12482 df-iress 12483 df-plusg 12563 df-mulr 12564 df-0g 12724 df-mgm 12793 df-sgrp 12826 df-mnd 12837 df-grp 12899 df-minusg 12900 df-mgp 13163 df-ur 13197 df-ring 13235 df-subrg 13402 |
This theorem is referenced by: rlmlmod 13616 |
Copyright terms: Public domain | W3C validator |