ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  opprring Unicode version

Theorem opprring 14322
Description: An opposite ring is a ring. (Contributed by Mario Carneiro, 1-Dec-2014.) (Revised by Mario Carneiro, 30-Aug-2015.)
Hypothesis
Ref Expression
opprbas.1  |-  O  =  (oppr
`  R )
Assertion
Ref Expression
opprring  |-  ( R  e.  Ring  ->  O  e. 
Ring )

Proof of Theorem opprring
Dummy variables  x  y  z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 opprbas.1 . . 3  |-  O  =  (oppr
`  R )
2 eqid 2234 . . 3  |-  ( Base `  R )  =  (
Base `  R )
31, 2opprbasg 14318 . 2  |-  ( R  e.  Ring  ->  ( Base `  R )  =  (
Base `  O )
)
4 eqid 2234 . . 3  |-  ( +g  `  R )  =  ( +g  `  R )
51, 4oppraddg 14319 . 2  |-  ( R  e.  Ring  ->  ( +g  `  R )  =  ( +g  `  O ) )
6 eqidd 2235 . 2  |-  ( R  e.  Ring  ->  ( .r
`  O )  =  ( .r `  O
) )
7 ringgrp 14244 . . 3  |-  ( R  e.  Ring  ->  R  e. 
Grp )
8 eqidd 2235 . . . 4  |-  ( R  e.  Ring  ->  ( Base `  R )  =  (
Base `  R )
)
95oveqdr 6086 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
) ) )  -> 
( x ( +g  `  R ) y )  =  ( x ( +g  `  O ) y ) )
108, 3, 9grppropd 13772 . . 3  |-  ( R  e.  Ring  ->  ( R  e.  Grp  <->  O  e.  Grp ) )
117, 10mpbid 147 . 2  |-  ( R  e.  Ring  ->  O  e. 
Grp )
12 eqid 2234 . . . 4  |-  ( .r
`  R )  =  ( .r `  R
)
13 eqid 2234 . . . 4  |-  ( .r
`  O )  =  ( .r `  O
)
142, 12, 1, 13opprmulg 14314 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( x
( .r `  O
) y )  =  ( y ( .r
`  R ) x ) )
152, 12ringcl 14256 . . . 4  |-  ( ( R  e.  Ring  /\  y  e.  ( Base `  R
)  /\  x  e.  ( Base `  R )
)  ->  ( y
( .r `  R
) x )  e.  ( Base `  R
) )
16153com23 1236 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( y
( .r `  R
) x )  e.  ( Base `  R
) )
1714, 16eqeltrd 2311 . 2  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( x
( .r `  O
) y )  e.  ( Base `  R
) )
18 simpl 109 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  R  e.  Ring )
19 simpr3 1032 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  z  e.  ( Base `  R
) )
20 simpr2 1031 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  y  e.  ( Base `  R
) )
21 simpr1 1030 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  x  e.  ( Base `  R
) )
222, 12ringass 14259 . . . 4  |-  ( ( R  e.  Ring  /\  (
z  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  x  e.  ( Base `  R )
) )  ->  (
( z ( .r
`  R ) y ) ( .r `  R ) x )  =  ( z ( .r `  R ) ( y ( .r
`  R ) x ) ) )
2318, 19, 20, 21, 22syl13anc 1276 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( z ( .r
`  R ) y ) ( .r `  R ) x )  =  ( z ( .r `  R ) ( y ( .r
`  R ) x ) ) )
242, 12, 1, 13opprmulg 14314 . . . . . 6  |-  ( ( R  e.  Ring  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
)  ->  ( y
( .r `  O
) z )  =  ( z ( .r
`  R ) y ) )
25243adant3r1 1239 . . . . 5  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
y ( .r `  O ) z )  =  ( z ( .r `  R ) y ) )
2625oveq2d 6074 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) ( y ( .r `  O
) z ) )  =  ( x ( .r `  O ) ( z ( .r
`  R ) y ) ) )
272, 12ringcl 14256 . . . . . 6  |-  ( ( R  e.  Ring  /\  z  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( z
( .r `  R
) y )  e.  ( Base `  R
) )
2818, 19, 20, 27syl3anc 1274 . . . . 5  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
z ( .r `  R ) y )  e.  ( Base `  R
) )
292, 12, 1, 13opprmulg 14314 . . . . 5  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  ( z
( .r `  R
) y )  e.  ( Base `  R
) )  ->  (
x ( .r `  O ) ( z ( .r `  R
) y ) )  =  ( ( z ( .r `  R
) y ) ( .r `  R ) x ) )
3018, 21, 28, 29syl3anc 1274 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) ( z ( .r `  R
) y ) )  =  ( ( z ( .r `  R
) y ) ( .r `  R ) x ) )
3126, 30eqtrd 2267 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) ( y ( .r `  O
) z ) )  =  ( ( z ( .r `  R
) y ) ( .r `  R ) x ) )
3214oveq1d 6073 . . . . 5  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( (
x ( .r `  O ) y ) ( .r `  O
) z )  =  ( ( y ( .r `  R ) x ) ( .r
`  O ) z ) )
33323adant3r3 1241 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( .r
`  O ) y ) ( .r `  O ) z )  =  ( ( y ( .r `  R
) x ) ( .r `  O ) z ) )
34163adant3r3 1241 . . . . 5  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
y ( .r `  R ) x )  e.  ( Base `  R
) )
352, 12, 1, 13opprmulg 14314 . . . . 5  |-  ( ( R  e.  Ring  /\  (
y ( .r `  R ) x )  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
)  ->  ( (
y ( .r `  R ) x ) ( .r `  O
) z )  =  ( z ( .r
`  R ) ( y ( .r `  R ) x ) ) )
3618, 34, 19, 35syl3anc 1274 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( y ( .r
`  R ) x ) ( .r `  O ) z )  =  ( z ( .r `  R ) ( y ( .r
`  R ) x ) ) )
3733, 36eqtrd 2267 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( .r
`  O ) y ) ( .r `  O ) z )  =  ( z ( .r `  R ) ( y ( .r
`  R ) x ) ) )
3823, 31, 373eqtr4rd 2278 . 2  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( .r
`  O ) y ) ( .r `  O ) z )  =  ( x ( .r `  O ) ( y ( .r
`  O ) z ) ) )
392, 4, 12ringdir 14262 . . . 4  |-  ( ( R  e.  Ring  /\  (
y  e.  ( Base `  R )  /\  z  e.  ( Base `  R
)  /\  x  e.  ( Base `  R )
) )  ->  (
( y ( +g  `  R ) z ) ( .r `  R
) x )  =  ( ( y ( .r `  R ) x ) ( +g  `  R ) ( z ( .r `  R
) x ) ) )
4018, 20, 19, 21, 39syl13anc 1276 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( y ( +g  `  R ) z ) ( .r `  R
) x )  =  ( ( y ( .r `  R ) x ) ( +g  `  R ) ( z ( .r `  R
) x ) ) )
412, 4ringacl 14273 . . . . 5  |-  ( ( R  e.  Ring  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
)  ->  ( y
( +g  `  R ) z )  e.  (
Base `  R )
)
42413adant3r1 1239 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
y ( +g  `  R
) z )  e.  ( Base `  R
) )
432, 12, 1, 13opprmulg 14314 . . . 4  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  ( y
( +g  `  R ) z )  e.  (
Base `  R )
)  ->  ( x
( .r `  O
) ( y ( +g  `  R ) z ) )  =  ( ( y ( +g  `  R ) z ) ( .r
`  R ) x ) )
4418, 21, 42, 43syl3anc 1274 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) ( y ( +g  `  R
) z ) )  =  ( ( y ( +g  `  R
) z ) ( .r `  R ) x ) )
45143adant3r3 1241 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) y )  =  ( y ( .r `  R ) x ) )
462, 12, 1, 13opprmulg 14314 . . . . 5  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
)  ->  ( x
( .r `  O
) z )  =  ( z ( .r
`  R ) x ) )
47463adant3r2 1240 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) z )  =  ( z ( .r `  R ) x ) )
4845, 47oveq12d 6076 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( .r
`  O ) y ) ( +g  `  R
) ( x ( .r `  O ) z ) )  =  ( ( y ( .r `  R ) x ) ( +g  `  R ) ( z ( .r `  R
) x ) ) )
4940, 44, 483eqtr4d 2277 . 2  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( .r `  O ) ( y ( +g  `  R
) z ) )  =  ( ( x ( .r `  O
) y ) ( +g  `  R ) ( x ( .r
`  O ) z ) ) )
502, 4, 12ringdi 14261 . . . 4  |-  ( ( R  e.  Ring  /\  (
z  e.  ( Base `  R )  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
) )  ->  (
z ( .r `  R ) ( x ( +g  `  R
) y ) )  =  ( ( z ( .r `  R
) x ) ( +g  `  R ) ( z ( .r
`  R ) y ) ) )
5118, 19, 21, 20, 50syl13anc 1276 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
z ( .r `  R ) ( x ( +g  `  R
) y ) )  =  ( ( z ( .r `  R
) x ) ( +g  `  R ) ( z ( .r
`  R ) y ) ) )
522, 4ringacl 14273 . . . . 5  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  y  e.  ( Base `  R )
)  ->  ( x
( +g  `  R ) y )  e.  (
Base `  R )
)
53523adant3r3 1241 . . . 4  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
x ( +g  `  R
) y )  e.  ( Base `  R
) )
542, 12, 1, 13opprmulg 14314 . . . 4  |-  ( ( R  e.  Ring  /\  (
x ( +g  `  R
) y )  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
)  ->  ( (
x ( +g  `  R
) y ) ( .r `  O ) z )  =  ( z ( .r `  R ) ( x ( +g  `  R
) y ) ) )
5518, 53, 19, 54syl3anc 1274 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( +g  `  R ) y ) ( .r `  O
) z )  =  ( z ( .r
`  R ) ( x ( +g  `  R
) y ) ) )
5647, 25oveq12d 6076 . . 3  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( .r
`  O ) z ) ( +g  `  R
) ( y ( .r `  O ) z ) )  =  ( ( z ( .r `  R ) x ) ( +g  `  R ) ( z ( .r `  R
) y ) ) )
5751, 55, 563eqtr4d 2277 . 2  |-  ( ( R  e.  Ring  /\  (
x  e.  ( Base `  R )  /\  y  e.  ( Base `  R
)  /\  z  e.  ( Base `  R )
) )  ->  (
( x ( +g  `  R ) y ) ( .r `  O
) z )  =  ( ( x ( .r `  O ) z ) ( +g  `  R ) ( y ( .r `  O
) z ) ) )
58 eqid 2234 . . 3  |-  ( 1r
`  R )  =  ( 1r `  R
)
592, 58ringidcl 14263 . 2  |-  ( R  e.  Ring  ->  ( 1r
`  R )  e.  ( Base `  R
) )
60 simpl 109 . . . 4  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  R  e.  Ring )
6160, 59syl 14 . . . 4  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  ( 1r `  R )  e.  ( Base `  R
) )
62 simpr 110 . . . 4  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  x  e.  ( Base `  R
) )
632, 12, 1, 13opprmulg 14314 . . . 4  |-  ( ( R  e.  Ring  /\  ( 1r `  R )  e.  ( Base `  R
)  /\  x  e.  ( Base `  R )
)  ->  ( ( 1r `  R ) ( .r `  O ) x )  =  ( x ( .r `  R ) ( 1r
`  R ) ) )
6460, 61, 62, 63syl3anc 1274 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
( 1r `  R
) ( .r `  O ) x )  =  ( x ( .r `  R ) ( 1r `  R
) ) )
652, 12, 58ringridm 14267 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
x ( .r `  R ) ( 1r
`  R ) )  =  x )
6664, 65eqtrd 2267 . 2  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
( 1r `  R
) ( .r `  O ) x )  =  x )
672, 12, 1, 13opprmulg 14314 . . . 4  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
)  /\  ( 1r `  R )  e.  (
Base `  R )
)  ->  ( x
( .r `  O
) ( 1r `  R ) )  =  ( ( 1r `  R ) ( .r
`  R ) x ) )
6860, 62, 61, 67syl3anc 1274 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
x ( .r `  O ) ( 1r
`  R ) )  =  ( ( 1r
`  R ) ( .r `  R ) x ) )
692, 12, 58ringlidm 14266 . . 3  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
( 1r `  R
) ( .r `  R ) x )  =  x )
7068, 69eqtrd 2267 . 2  |-  ( ( R  e.  Ring  /\  x  e.  ( Base `  R
) )  ->  (
x ( .r `  O ) ( 1r
`  R ) )  =  x )
713, 5, 6, 11, 17, 38, 49, 57, 59, 66, 70isringd 14284 1  |-  ( R  e.  Ring  ->  O  e. 
Ring )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 1005    = wceq 1398    e. wcel 2205   ` cfv 5357  (class class class)co 6058   Basecbs 13296   +g cplusg 13374   .rcmulr 13375   Grpcgrp 13755   1rcur 14202   Ringcrg 14239  opprcoppr 14310
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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-addass 8245  ax-i2m1 8248  ax-0lt1 8249  ax-0id 8251  ax-rnegex 8252  ax-pre-ltirr 8255  ax-pre-lttrn 8257  ax-pre-ltadd 8259
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rmo 2530  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-br 4115  df-opab 4177  df-mpt 4178  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-tpos 6489  df-pnf 8326  df-mnf 8327  df-ltxr 8329  df-inn 9255  df-2 9313  df-3 9314  df-ndx 13299  df-slot 13300  df-base 13302  df-sets 13303  df-plusg 13387  df-mulr 13388  df-0g 13555  df-mgm 13619  df-sgrp 13665  df-mnd 13678  df-grp 13758  df-mgp 14160  df-ur 14203  df-ring 14241  df-oppr 14311
This theorem is referenced by:  opprringbg  14323  mulgass3  14329  1unit  14352  opprunitd  14355  crngunit  14356  unitmulcl  14358  unitgrp  14361  unitnegcl  14375  unitpropdg  14393  subrguss  14482  subrgunit  14485  isridl  14778  ridl0  14784  ridl1  14785
  Copyright terms: Public domain W3C validator