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Theorem ltsrprg 6832
Description: Ordering of signed reals in terms of positive reals. (Contributed by Jim Kingdon, 2-Jan-2019.)
Assertion
Ref Expression
ltsrprg  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. )
)  ->  ( [ <. A ,  B >. ]  ~R  <R  [ <. C ,  D >. ]  ~R  <->  ( A  +P.  D )  <P  ( B  +P.  C ) ) )

Proof of Theorem ltsrprg
Dummy variables  x  y  z  w  v  u  f are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 enrex 6822 . 2  |-  ~R  e.  _V
2 enrer 6820 . 2  |-  ~R  Er  ( P.  X.  P. )
3 df-nr 6812 . 2  |-  R.  =  ( ( P.  X.  P. ) /.  ~R  )
4 df-ltr 6815 . 2  |-  <R  =  { <. x ,  y
>.  |  ( (
x  e.  R.  /\  y  e.  R. )  /\  E. z E. w E. v E. u ( ( x  =  [ <. z ,  w >. ]  ~R  /\  y  =  [ <. v ,  u >. ]  ~R  )  /\  ( z  +P.  u
)  <P  ( w  +P.  v ) ) ) }
5 enreceq 6821 . . . . 5  |-  ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. )
)  ->  ( [ <. z ,  w >. ]  ~R  =  [ <. A ,  B >. ]  ~R  <->  ( z  +P.  B )  =  ( w  +P.  A ) ) )
6 enreceq 6821 . . . . . 6  |-  ( ( ( v  e.  P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. )
)  ->  ( [ <. v ,  u >. ]  ~R  =  [ <. C ,  D >. ]  ~R  <->  ( v  +P.  D )  =  ( u  +P.  C ) ) )
7 eqcom 2042 . . . . . 6  |-  ( ( v  +P.  D )  =  ( u  +P.  C )  <->  ( u  +P.  C )  =  ( v  +P.  D ) )
86, 7syl6bb 185 . . . . 5  |-  ( ( ( v  e.  P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. )
)  ->  ( [ <. v ,  u >. ]  ~R  =  [ <. C ,  D >. ]  ~R  <->  ( u  +P.  C )  =  ( v  +P. 
D ) ) )
95, 8bi2anan9 538 . . . 4  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( [
<. z ,  w >. ]  ~R  =  [ <. A ,  B >. ]  ~R  /\ 
[ <. v ,  u >. ]  ~R  =  [ <. C ,  D >. ]  ~R  )  <->  ( (
z  +P.  B )  =  ( w  +P.  A )  /\  ( u  +P.  C )  =  ( v  +P.  D
) ) ) )
10 oveq12 5521 . . . . . . 7  |-  ( ( ( z  +P.  B
)  =  ( w  +P.  A )  /\  ( u  +P.  C )  =  ( v  +P. 
D ) )  -> 
( ( z  +P. 
B )  +P.  (
u  +P.  C )
)  =  ( ( w  +P.  A )  +P.  ( v  +P. 
D ) ) )
1110adantl 262 . . . . . 6  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( ( z  +P.  B )  =  ( w  +P.  A
)  /\  ( u  +P.  C )  =  ( v  +P.  D ) ) )  ->  (
( z  +P.  B
)  +P.  ( u  +P.  C ) )  =  ( ( w  +P.  A )  +P.  ( v  +P.  D ) ) )
12 simprlr 490 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  u  e.  P. )
13 simplrr 488 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  B  e.  P. )
14 addcomprg 6676 . . . . . . . . . . . 12  |-  ( ( u  e.  P.  /\  B  e.  P. )  ->  ( u  +P.  B
)  =  ( B  +P.  u ) )
1514oveq1d 5527 . . . . . . . . . . 11  |-  ( ( u  e.  P.  /\  B  e.  P. )  ->  ( ( u  +P.  B )  +P.  C )  =  ( ( B  +P.  u )  +P. 
C ) )
1612, 13, 15syl2anc 391 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( u  +P.  B )  +P. 
C )  =  ( ( B  +P.  u
)  +P.  C )
)
17 simprrl 491 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  C  e.  P. )
18 addassprg 6677 . . . . . . . . . . 11  |-  ( ( u  e.  P.  /\  B  e.  P.  /\  C  e.  P. )  ->  (
( u  +P.  B
)  +P.  C )  =  ( u  +P.  ( B  +P.  C ) ) )
1912, 13, 17, 18syl3anc 1135 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( u  +P.  B )  +P. 
C )  =  ( u  +P.  ( B  +P.  C ) ) )
20 addassprg 6677 . . . . . . . . . . 11  |-  ( ( B  e.  P.  /\  u  e.  P.  /\  C  e.  P. )  ->  (
( B  +P.  u
)  +P.  C )  =  ( B  +P.  ( u  +P.  C ) ) )
2113, 12, 17, 20syl3anc 1135 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( B  +P.  u )  +P. 
C )  =  ( B  +P.  ( u  +P.  C ) ) )
2216, 19, 213eqtr3d 2080 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( u  +P.  ( B  +P.  C ) )  =  ( B  +P.  ( u  +P.  C ) ) )
2322oveq2d 5528 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( z  +P.  ( u  +P.  ( B  +P.  C ) ) )  =  ( z  +P.  ( B  +P.  ( u  +P.  C ) ) ) )
24 simplll 485 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  z  e.  P. )
25 addclpr 6635 . . . . . . . . . . . . 13  |-  ( ( w  e.  P.  /\  v  e.  P. )  ->  ( w  +P.  v
)  e.  P. )
2625ad2ant2lr 479 . . . . . . . . . . . 12  |-  ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( v  e.  P.  /\  u  e.  P. )
)  ->  ( w  +P.  v )  e.  P. )
27 addclpr 6635 . . . . . . . . . . . . 13  |-  ( ( B  e.  P.  /\  C  e.  P. )  ->  ( B  +P.  C
)  e.  P. )
2827ad2ant2lr 479 . . . . . . . . . . . 12  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. )
)  ->  ( B  +P.  C )  e.  P. )
2926, 28anim12ci 322 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  (
v  e.  P.  /\  u  e.  P. )
)  /\  ( ( A  e.  P.  /\  B  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( B  +P.  C )  e. 
P.  /\  ( w  +P.  v )  e.  P. ) )
3029an4s 522 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( B  +P.  C )  e. 
P.  /\  ( w  +P.  v )  e.  P. ) )
3130simpld 105 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( B  +P.  C )  e.  P. )
32 addassprg 6677 . . . . . . . . 9  |-  ( ( z  e.  P.  /\  u  e.  P.  /\  ( B  +P.  C )  e. 
P. )  ->  (
( z  +P.  u
)  +P.  ( B  +P.  C ) )  =  ( z  +P.  (
u  +P.  ( B  +P.  C ) ) ) )
3324, 12, 31, 32syl3anc 1135 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( z  +P.  u )  +P.  ( B  +P.  C
) )  =  ( z  +P.  ( u  +P.  ( B  +P.  C ) ) ) )
34 addclpr 6635 . . . . . . . . . 10  |-  ( ( u  e.  P.  /\  C  e.  P. )  ->  ( u  +P.  C
)  e.  P. )
3512, 17, 34syl2anc 391 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( u  +P.  C )  e.  P. )
36 addassprg 6677 . . . . . . . . 9  |-  ( ( z  e.  P.  /\  B  e.  P.  /\  (
u  +P.  C )  e.  P. )  ->  (
( z  +P.  B
)  +P.  ( u  +P.  C ) )  =  ( z  +P.  ( B  +P.  ( u  +P.  C ) ) ) )
3724, 13, 35, 36syl3anc 1135 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( z  +P.  B )  +P.  ( u  +P.  C
) )  =  ( z  +P.  ( B  +P.  ( u  +P.  C ) ) ) )
3823, 33, 373eqtr4d 2082 . . . . . . 7  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( z  +P.  u )  +P.  ( B  +P.  C
) )  =  ( ( z  +P.  B
)  +P.  ( u  +P.  C ) ) )
3938adantr 261 . . . . . 6  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( ( z  +P.  B )  =  ( w  +P.  A
)  /\  ( u  +P.  C )  =  ( v  +P.  D ) ) )  ->  (
( z  +P.  u
)  +P.  ( B  +P.  C ) )  =  ( ( z  +P. 
B )  +P.  (
u  +P.  C )
) )
40 simprll 489 . . . . . . . . . . . 12  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  v  e.  P. )
41 simplrl 487 . . . . . . . . . . . 12  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  A  e.  P. )
42 addcomprg 6676 . . . . . . . . . . . 12  |-  ( ( v  e.  P.  /\  A  e.  P. )  ->  ( v  +P.  A
)  =  ( A  +P.  v ) )
4340, 41, 42syl2anc 391 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( v  +P. 
A )  =  ( A  +P.  v ) )
4443oveq1d 5527 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( v  +P.  A )  +P. 
D )  =  ( ( A  +P.  v
)  +P.  D )
)
45 simprrr 492 . . . . . . . . . . 11  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  D  e.  P. )
46 addassprg 6677 . . . . . . . . . . 11  |-  ( ( v  e.  P.  /\  A  e.  P.  /\  D  e.  P. )  ->  (
( v  +P.  A
)  +P.  D )  =  ( v  +P.  ( A  +P.  D
) ) )
4740, 41, 45, 46syl3anc 1135 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( v  +P.  A )  +P. 
D )  =  ( v  +P.  ( A  +P.  D ) ) )
48 addassprg 6677 . . . . . . . . . . 11  |-  ( ( A  e.  P.  /\  v  e.  P.  /\  D  e.  P. )  ->  (
( A  +P.  v
)  +P.  D )  =  ( A  +P.  ( v  +P.  D
) ) )
4941, 40, 45, 48syl3anc 1135 . . . . . . . . . 10  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( A  +P.  v )  +P. 
D )  =  ( A  +P.  ( v  +P.  D ) ) )
5044, 47, 493eqtr3d 2080 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( v  +P.  ( A  +P.  D
) )  =  ( A  +P.  ( v  +P.  D ) ) )
5150oveq2d 5528 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( w  +P.  ( v  +P.  ( A  +P.  D ) ) )  =  ( w  +P.  ( A  +P.  ( v  +P.  D
) ) ) )
52 simpllr 486 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  w  e.  P. )
53 addclpr 6635 . . . . . . . . . 10  |-  ( ( A  e.  P.  /\  D  e.  P. )  ->  ( A  +P.  D
)  e.  P. )
5441, 45, 53syl2anc 391 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( A  +P.  D )  e.  P. )
55 addassprg 6677 . . . . . . . . 9  |-  ( ( w  e.  P.  /\  v  e.  P.  /\  ( A  +P.  D )  e. 
P. )  ->  (
( w  +P.  v
)  +P.  ( A  +P.  D ) )  =  ( w  +P.  (
v  +P.  ( A  +P.  D ) ) ) )
5652, 40, 54, 55syl3anc 1135 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( w  +P.  v )  +P.  ( A  +P.  D
) )  =  ( w  +P.  ( v  +P.  ( A  +P.  D ) ) ) )
57 addclpr 6635 . . . . . . . . . 10  |-  ( ( v  e.  P.  /\  D  e.  P. )  ->  ( v  +P.  D
)  e.  P. )
5840, 45, 57syl2anc 391 . . . . . . . . 9  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( v  +P. 
D )  e.  P. )
59 addassprg 6677 . . . . . . . . 9  |-  ( ( w  e.  P.  /\  A  e.  P.  /\  (
v  +P.  D )  e.  P. )  ->  (
( w  +P.  A
)  +P.  ( v  +P.  D ) )  =  ( w  +P.  ( A  +P.  ( v  +P. 
D ) ) ) )
6052, 41, 58, 59syl3anc 1135 . . . . . . . 8  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( w  +P.  A )  +P.  ( v  +P.  D
) )  =  ( w  +P.  ( A  +P.  ( v  +P. 
D ) ) ) )
6151, 56, 603eqtr4d 2082 . . . . . . 7  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( w  +P.  v )  +P.  ( A  +P.  D
) )  =  ( ( w  +P.  A
)  +P.  ( v  +P.  D ) ) )
6261adantr 261 . . . . . 6  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( ( z  +P.  B )  =  ( w  +P.  A
)  /\  ( u  +P.  C )  =  ( v  +P.  D ) ) )  ->  (
( w  +P.  v
)  +P.  ( A  +P.  D ) )  =  ( ( w  +P.  A )  +P.  ( v  +P.  D ) ) )
6311, 39, 623eqtr4d 2082 . . . . 5  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( ( z  +P.  B )  =  ( w  +P.  A
)  /\  ( u  +P.  C )  =  ( v  +P.  D ) ) )  ->  (
( z  +P.  u
)  +P.  ( B  +P.  C ) )  =  ( ( w  +P.  v )  +P.  ( A  +P.  D ) ) )
6463ex 108 . . . 4  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( ( z  +P.  B )  =  ( w  +P.  A )  /\  ( u  +P.  C )  =  ( v  +P.  D
) )  ->  (
( z  +P.  u
)  +P.  ( B  +P.  C ) )  =  ( ( w  +P.  v )  +P.  ( A  +P.  D ) ) ) )
659, 64sylbid 139 . . 3  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( [
<. z ,  w >. ]  ~R  =  [ <. A ,  B >. ]  ~R  /\ 
[ <. v ,  u >. ]  ~R  =  [ <. C ,  D >. ]  ~R  )  ->  (
( z  +P.  u
)  +P.  ( B  +P.  C ) )  =  ( ( w  +P.  v )  +P.  ( A  +P.  D ) ) ) )
66 ltaprg 6717 . . . . 5  |-  ( ( x  e.  P.  /\  y  e.  P.  /\  f  e.  P. )  ->  (
x  <P  y  <->  ( f  +P.  x )  <P  (
f  +P.  y )
) )
6766adantl 262 . . . 4  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( x  e. 
P.  /\  y  e.  P.  /\  f  e.  P. ) )  ->  (
x  <P  y  <->  ( f  +P.  x )  <P  (
f  +P.  y )
) )
68 addclpr 6635 . . . . 5  |-  ( ( z  e.  P.  /\  u  e.  P. )  ->  ( z  +P.  u
)  e.  P. )
6924, 12, 68syl2anc 391 . . . 4  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( z  +P.  u )  e.  P. )
7030simprd 107 . . . 4  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( w  +P.  v )  e.  P. )
71 addcomprg 6676 . . . . 5  |-  ( ( x  e.  P.  /\  y  e.  P. )  ->  ( x  +P.  y
)  =  ( y  +P.  x ) )
7271adantl 262 . . . 4  |-  ( ( ( ( ( z  e.  P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  /\  ( x  e. 
P.  /\  y  e.  P. ) )  ->  (
x  +P.  y )  =  ( y  +P.  x ) )
7367, 69, 31, 70, 72, 54caovord3d 5671 . . 3  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( ( z  +P.  u )  +P.  ( B  +P.  C ) )  =  ( ( w  +P.  v
)  +P.  ( A  +P.  D ) )  -> 
( ( z  +P.  u )  <P  (
w  +P.  v )  <->  ( A  +P.  D ) 
<P  ( B  +P.  C
) ) ) )
7465, 73syld 40 . 2  |-  ( ( ( ( z  e. 
P.  /\  w  e.  P. )  /\  ( A  e.  P.  /\  B  e.  P. ) )  /\  ( ( v  e. 
P.  /\  u  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. ) ) )  ->  ( ( [
<. z ,  w >. ]  ~R  =  [ <. A ,  B >. ]  ~R  /\ 
[ <. v ,  u >. ]  ~R  =  [ <. C ,  D >. ]  ~R  )  ->  (
( z  +P.  u
)  <P  ( w  +P.  v )  <->  ( A  +P.  D )  <P  ( B  +P.  C ) ) ) )
751, 2, 3, 4, 74brecop 6196 1  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( C  e.  P.  /\  D  e.  P. )
)  ->  ( [ <. A ,  B >. ]  ~R  <R  [ <. C ,  D >. ]  ~R  <->  ( A  +P.  D )  <P  ( B  +P.  C ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 97    <-> wb 98    /\ w3a 885    = wceq 1243    e. wcel 1393   <.cop 3378   class class class wbr 3764  (class class class)co 5512   [cec 6104   P.cnp 6389    +P. cpp 6391    <P cltp 6393    ~R cer 6394   R.cnr 6395    <R cltr 6401
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-in1 544  ax-in2 545  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-13 1404  ax-14 1405  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022  ax-coll 3872  ax-sep 3875  ax-nul 3883  ax-pow 3927  ax-pr 3944  ax-un 4170  ax-setind 4262  ax-iinf 4311
This theorem depends on definitions:  df-bi 110  df-dc 743  df-3or 886  df-3an 887  df-tru 1246  df-fal 1249  df-nf 1350  df-sb 1646  df-eu 1903  df-mo 1904  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-ne 2206  df-ral 2311  df-rex 2312  df-reu 2313  df-rab 2315  df-v 2559  df-sbc 2765  df-csb 2853  df-dif 2920  df-un 2922  df-in 2924  df-ss 2931  df-nul 3225  df-pw 3361  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-int 3616  df-iun 3659  df-br 3765  df-opab 3819  df-mpt 3820  df-tr 3855  df-eprel 4026  df-id 4030  df-po 4033  df-iso 4034  df-iord 4103  df-on 4105  df-suc 4108  df-iom 4314  df-xp 4351  df-rel 4352  df-cnv 4353  df-co 4354  df-dm 4355  df-rn 4356  df-res 4357  df-ima 4358  df-iota 4867  df-fun 4904  df-fn 4905  df-f 4906  df-f1 4907  df-fo 4908  df-f1o 4909  df-fv 4910  df-ov 5515  df-oprab 5516  df-mpt2 5517  df-1st 5767  df-2nd 5768  df-recs 5920  df-irdg 5957  df-1o 6001  df-2o 6002  df-oadd 6005  df-omul 6006  df-er 6106  df-ec 6108  df-qs 6112  df-ni 6402  df-pli 6403  df-mi 6404  df-lti 6405  df-plpq 6442  df-mpq 6443  df-enq 6445  df-nqqs 6446  df-plqqs 6447  df-mqqs 6448  df-1nqqs 6449  df-rq 6450  df-ltnqqs 6451  df-enq0 6522  df-nq0 6523  df-0nq0 6524  df-plq0 6525  df-mq0 6526  df-inp 6564  df-iplp 6566  df-iltp 6568  df-enr 6811  df-nr 6812  df-ltr 6815
This theorem is referenced by:  gt0srpr  6833  lttrsr  6847  ltposr  6848  ltsosr  6849  0lt1sr  6850  ltasrg  6855  aptisr  6863  mulextsr1  6865  archsr  6866  prsrlt  6871  pitoregt0  6925
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