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Theorem addlocpr 7755
Description: Locatedness of addition on positive reals. Lemma 11.16 in [BauerTaylor], p. 53. The proof in BauerTaylor relies on signed rationals, so we replace it with another proof which applies prarloc 7722 to both  A and  B, and uses nqtri3or 7615 rather than prloc 7710 to decide whether  q is too big to be in the lower cut of  A  +P.  B (and deduce that if it is, then  r must be in the upper cut). What the two proofs have in common is that they take the difference between  q and  r to determine how tight a range they need around the real numbers. (Contributed by Jim Kingdon, 5-Dec-2019.)
Assertion
Ref Expression
addlocpr  |-  ( ( A  e.  P.  /\  B  e.  P. )  ->  A. q  e.  Q.  A. r  e.  Q.  (
q  <Q  r  ->  (
q  e.  ( 1st `  ( A  +P.  B
) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
Distinct variable groups:    A, q, r    B, q, r

Proof of Theorem addlocpr
Dummy variables  d  e  h  p  t  u are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ltexnqq 7627 . . . . . 6  |-  ( ( q  e.  Q.  /\  r  e.  Q. )  ->  ( q  <Q  r  <->  E. p  e.  Q.  (
q  +Q  p )  =  r ) )
21biimpa 296 . . . . 5  |-  ( ( ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  ->  E. p  e.  Q.  ( q  +Q  p
)  =  r )
323adant1 1041 . . . 4  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  ->  E. p  e.  Q.  ( q  +Q  p
)  =  r )
4 halfnqq 7629 . . . . . 6  |-  ( p  e.  Q.  ->  E. h  e.  Q.  ( h  +Q  h )  =  p )
54ad2antrl 490 . . . . 5  |-  ( ( ( ( A  e. 
P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  ->  E. h  e.  Q.  ( h  +Q  h )  =  p )
6 prop 7694 . . . . . . . . . 10  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
7 prarloc 7722 . . . . . . . . . 10  |-  ( (
<. ( 1st `  A
) ,  ( 2nd `  A ) >.  e.  P.  /\  h  e.  Q. )  ->  E. d  e.  ( 1st `  A ) E. u  e.  ( 2nd `  A ) u  <Q  ( d  +Q  h ) )
86, 7sylan 283 . . . . . . . . 9  |-  ( ( A  e.  P.  /\  h  e.  Q. )  ->  E. d  e.  ( 1st `  A ) E. u  e.  ( 2nd `  A ) u  <Q  ( d  +Q  h ) )
98adantlr 477 . . . . . . . 8  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  h  e.  Q. )  ->  E. d  e.  ( 1st `  A ) E. u  e.  ( 2nd `  A ) u  <Q  ( d  +Q  h ) )
1093ad2antl1 1185 . . . . . . 7  |-  ( ( ( ( A  e. 
P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  h  e.  Q. )  ->  E. d  e.  ( 1st `  A ) E. u  e.  ( 2nd `  A ) u  <Q  ( d  +Q  h ) )
1110ad2ant2r 509 . . . . . 6  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  E. d  e.  ( 1st `  A
) E. u  e.  ( 2nd `  A
) u  <Q  (
d  +Q  h ) )
12 prop 7694 . . . . . . . . . . . . . 14  |-  ( B  e.  P.  ->  <. ( 1st `  B ) ,  ( 2nd `  B
) >.  e.  P. )
13 prarloc 7722 . . . . . . . . . . . . . 14  |-  ( (
<. ( 1st `  B
) ,  ( 2nd `  B ) >.  e.  P.  /\  h  e.  Q. )  ->  E. e  e.  ( 1st `  B ) E. t  e.  ( 2nd `  B ) t  <Q  ( e  +Q  h ) )
1412, 13sylan 283 . . . . . . . . . . . . 13  |-  ( ( B  e.  P.  /\  h  e.  Q. )  ->  E. e  e.  ( 1st `  B ) E. t  e.  ( 2nd `  B ) t  <Q  ( e  +Q  h ) )
1514adantll 476 . . . . . . . . . . . 12  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  h  e.  Q. )  ->  E. e  e.  ( 1st `  B ) E. t  e.  ( 2nd `  B ) t  <Q  ( e  +Q  h ) )
16153ad2antl1 1185 . . . . . . . . . . 11  |-  ( ( ( ( A  e. 
P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  h  e.  Q. )  ->  E. e  e.  ( 1st `  B ) E. t  e.  ( 2nd `  B ) t  <Q  ( e  +Q  h ) )
1716ad2ant2r 509 . . . . . . . . . 10  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  E. e  e.  ( 1st `  B
) E. t  e.  ( 2nd `  B
) t  <Q  (
e  +Q  h ) )
1817adantr 276 . . . . . . . . 9  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  ->  E. e  e.  ( 1st `  B ) E. t  e.  ( 2nd `  B ) t  <Q 
( e  +Q  h
) )
19 simpll1 1062 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( A  e.  P.  /\  B  e. 
P. ) )
2019ad2antrr 488 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
( A  e.  P.  /\  B  e.  P. )
)
2120simpld 112 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  ->  A  e.  P. )
2220simprd 114 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  ->  B  e.  P. )
23 simpll3 1064 . . . . . . . . . . . . 13  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  q  <Q  r )
2423ad2antrr 488 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
q  <Q  r )
25 simplrl 537 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  ->  h  e.  Q. )
2625adantr 276 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  ->  h  e.  Q. )
27 simplrr 538 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( q  +Q  p )  =  r )
28 oveq2 6025 . . . . . . . . . . . . . . . 16  |-  ( ( h  +Q  h )  =  p  ->  (
q  +Q  ( h  +Q  h ) )  =  ( q  +Q  p ) )
2928eqeq1d 2240 . . . . . . . . . . . . . . 15  |-  ( ( h  +Q  h )  =  p  ->  (
( q  +Q  (
h  +Q  h ) )  =  r  <->  ( q  +Q  p )  =  r ) )
3029ad2antll 491 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( (
q  +Q  ( h  +Q  h ) )  =  r  <->  ( q  +Q  p )  =  r ) )
3127, 30mpbird 167 . . . . . . . . . . . . 13  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( q  +Q  ( h  +Q  h
) )  =  r )
3231ad2antrr 488 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
( q  +Q  (
h  +Q  h ) )  =  r )
33 simprll 539 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  -> 
d  e.  ( 1st `  A ) )
3433adantr 276 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
d  e.  ( 1st `  A ) )
35 simprlr 540 . . . . . . . . . . . . 13  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  ->  u  e.  ( 2nd `  A ) )
3635adantr 276 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  ->  u  e.  ( 2nd `  A ) )
37 simplrr 538 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  ->  u  <Q  ( d  +Q  h ) )
38 simprll 539 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
e  e.  ( 1st `  B ) )
39 simprlr 540 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
t  e.  ( 2nd `  B ) )
40 simprr 533 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
t  <Q  ( e  +Q  h ) )
4121, 22, 24, 26, 32, 34, 36, 37, 38, 39, 40addlocprlem 7754 . . . . . . . . . . 11  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( ( e  e.  ( 1st `  B
)  /\  t  e.  ( 2nd `  B ) )  /\  t  <Q 
( e  +Q  h
) ) )  -> 
( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) )
4241expr 375 . . . . . . . . . 10  |-  ( ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  /\  ( e  e.  ( 1st `  B )  /\  t  e.  ( 2nd `  B ) ) )  ->  (
t  <Q  ( e  +Q  h )  ->  (
q  e.  ( 1st `  ( A  +P.  B
) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
4342rexlimdvva 2658 . . . . . . . . 9  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  -> 
( E. e  e.  ( 1st `  B
) E. t  e.  ( 2nd `  B
) t  <Q  (
e  +Q  h )  ->  ( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
4418, 43mpd 13 . . . . . . . 8  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( ( d  e.  ( 1st `  A )  /\  u  e.  ( 2nd `  A
) )  /\  u  <Q  ( d  +Q  h
) ) )  -> 
( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) )
4544expr 375 . . . . . . 7  |-  ( ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  /\  ( d  e.  ( 1st `  A
)  /\  u  e.  ( 2nd `  A ) ) )  ->  (
u  <Q  ( d  +Q  h )  ->  (
q  e.  ( 1st `  ( A  +P.  B
) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
4645rexlimdvva 2658 . . . . . 6  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( E. d  e.  ( 1st `  A ) E. u  e.  ( 2nd `  A
) u  <Q  (
d  +Q  h )  ->  ( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
4711, 46mpd 13 . . . . 5  |-  ( ( ( ( ( A  e.  P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  /\  (
h  e.  Q.  /\  ( h  +Q  h
)  =  p ) )  ->  ( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) )
485, 47rexlimddv 2655 . . . 4  |-  ( ( ( ( A  e. 
P.  /\  B  e.  P. )  /\  (
q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  /\  ( p  e. 
Q.  /\  ( q  +Q  p )  =  r ) )  ->  (
q  e.  ( 1st `  ( A  +P.  B
) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) )
493, 48rexlimddv 2655 . . 3  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )  /\  q  <Q  r )  ->  ( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) )
50493expia 1231 . 2  |-  ( ( ( A  e.  P.  /\  B  e.  P. )  /\  ( q  e.  Q.  /\  r  e.  Q. )
)  ->  ( q  <Q  r  ->  ( q  e.  ( 1st `  ( A  +P.  B ) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
5150ralrimivva 2614 1  |-  ( ( A  e.  P.  /\  B  e.  P. )  ->  A. q  e.  Q.  A. r  e.  Q.  (
q  <Q  r  ->  (
q  e.  ( 1st `  ( A  +P.  B
) )  \/  r  e.  ( 2nd `  ( A  +P.  B ) ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    \/ wo 715    /\ w3a 1004    = wceq 1397    e. wcel 2202   A.wral 2510   E.wrex 2511   <.cop 3672   class class class wbr 4088   ` cfv 5326  (class class class)co 6017   1stc1st 6300   2ndc2nd 6301   Q.cnq 7499    +Q cplq 7501    <Q cltq 7504   P.cnp 7510    +P. cpp 7512
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686
This theorem depends on definitions:  df-bi 117  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-eprel 4386  df-id 4390  df-po 4393  df-iso 4394  df-iord 4463  df-on 4465  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-recs 6470  df-irdg 6535  df-1o 6581  df-2o 6582  df-oadd 6585  df-omul 6586  df-er 6701  df-ec 6703  df-qs 6707  df-ni 7523  df-pli 7524  df-mi 7525  df-lti 7526  df-plpq 7563  df-mpq 7564  df-enq 7566  df-nqqs 7567  df-plqqs 7568  df-mqqs 7569  df-1nqqs 7570  df-rq 7571  df-ltnqqs 7572  df-enq0 7643  df-nq0 7644  df-0nq0 7645  df-plq0 7646  df-mq0 7647  df-inp 7685  df-iplp 7687
This theorem is referenced by:  addclpr  7756
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