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Theorem addlocpr 7596
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 7563 to both  A and  B, and uses nqtri3or 7456 rather than prloc 7551 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 7468 . . . . . 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 1017 . . . 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 7470 . . . . . 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 7535 . . . . . . . . . 10  |-  ( A  e.  P.  ->  <. ( 1st `  A ) ,  ( 2nd `  A
) >.  e.  P. )
7 prarloc 7563 . . . . . . . . . 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 1161 . . . . . . 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 7535 . . . . . . . . . . . . . 14  |-  ( B  e.  P.  ->  <. ( 1st `  B ) ,  ( 2nd `  B
) >.  e.  P. )
13 prarloc 7563 . . . . . . . . . . . . . 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 1161 . . . . . . . . . . 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 1038 . . . . . . . . . . . . . 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 1040 . . . . . . . . . . . . 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 535 . . . . . . . . . . . . 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 536 . . . . . . . . . . . . . 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 5926 . . . . . . . . . . . . . . . 16  |-  ( ( h  +Q  h )  =  p  ->  (
q  +Q  ( h  +Q  h ) )  =  ( q  +Q  p ) )
2928eqeq1d 2202 . . . . . . . . . . . . . . 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 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
) ) )  -> 
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 538 . . . . . . . . . . . . 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 536 . . . . . . . . . . . 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 537 . . . . . . . . . . . 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 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
) ) )  -> 
t  e.  ( 2nd `  B ) )
40 simprr 531 . . . . . . . . . . . 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 7595 . . . . . . . . . . 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 2619 . . . . . . . . 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 2619 . . . . . 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 2616 . . . 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 2616 . . 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 1207 . 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 2576 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 709    /\ w3a 980    = wceq 1364    e. wcel 2164   A.wral 2472   E.wrex 2473   <.cop 3621   class class class wbr 4029   ` cfv 5254  (class class class)co 5918   1stc1st 6191   2ndc2nd 6192   Q.cnq 7340    +Q cplq 7342    <Q cltq 7345   P.cnp 7351    +P. cpp 7353
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 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-coll 4144  ax-sep 4147  ax-nul 4155  ax-pow 4203  ax-pr 4238  ax-un 4464  ax-setind 4569  ax-iinf 4620
This theorem depends on definitions:  df-bi 117  df-dc 836  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  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-ne 2365  df-ral 2477  df-rex 2478  df-reu 2479  df-rab 2481  df-v 2762  df-sbc 2986  df-csb 3081  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-nul 3447  df-pw 3603  df-sn 3624  df-pr 3625  df-op 3627  df-uni 3836  df-int 3871  df-iun 3914  df-br 4030  df-opab 4091  df-mpt 4092  df-tr 4128  df-eprel 4320  df-id 4324  df-po 4327  df-iso 4328  df-iord 4397  df-on 4399  df-suc 4402  df-iom 4623  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-f 5258  df-f1 5259  df-fo 5260  df-f1o 5261  df-fv 5262  df-ov 5921  df-oprab 5922  df-mpo 5923  df-1st 6193  df-2nd 6194  df-recs 6358  df-irdg 6423  df-1o 6469  df-2o 6470  df-oadd 6473  df-omul 6474  df-er 6587  df-ec 6589  df-qs 6593  df-ni 7364  df-pli 7365  df-mi 7366  df-lti 7367  df-plpq 7404  df-mpq 7405  df-enq 7407  df-nqqs 7408  df-plqqs 7409  df-mqqs 7410  df-1nqqs 7411  df-rq 7412  df-ltnqqs 7413  df-enq0 7484  df-nq0 7485  df-0nq0 7486  df-plq0 7487  df-mq0 7488  df-inp 7526  df-iplp 7528
This theorem is referenced by:  addclpr  7597
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