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Mirrors > Home > ILE Home > Th. List > subrgring | Unicode version |
Description: A subring is a ring. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
Ref | Expression |
---|---|
subrgring.1 |
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Ref | Expression |
---|---|
subrgring |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | subrgring.1 |
. 2
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2 | eqid 2193 |
. . . . 5
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3 | eqid 2193 |
. . . . 5
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4 | 2, 3 | issubrg 13717 |
. . . 4
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5 | 4 | simplbi 274 |
. . 3
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6 | 5 | simprd 114 |
. 2
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7 | 1, 6 | eqeltrid 2280 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-cnex 7963 ax-resscn 7964 ax-1re 7966 ax-addrcl 7969 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-fv 5262 df-ov 5921 df-inn 8983 df-ndx 12621 df-slot 12622 df-base 12624 df-subrg 13715 |
This theorem is referenced by: subrgcrng 13721 subrgsubg 13723 subrg1 13727 subrgmcl 13729 subrgsubm 13730 subrgdvds 13731 subrguss 13732 subrginv 13733 subrgdv 13734 subrgunit 13735 subrgugrp 13736 subrgnzr 13738 subsubrg 13741 resrhm 13744 resrhm2b 13745 sralmod 13946 |
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