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Theorem th3qlem1 6939
Description: Lemma for Exercise 44 version of Theorem 3Q of [Enderton] p. 60. The third hypothesis is the compatibility assumption. (Contributed by NM, 3-Aug-1995.) (Revised by Mario Carneiro, 9-Jul-2014.)
Hypotheses
Ref Expression
th3qlem1.1  |-  .~  Er  S
th3qlem1.3  |-  ( ( ( y  e.  S  /\  w  e.  S
)  /\  ( z  e.  S  /\  v  e.  S ) )  -> 
( ( y  .~  w  /\  z  .~  v
)  ->  ( y  .+  z )  .~  (
w  .+  v )
) )
Assertion
Ref Expression
th3qlem1  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  ->  E* x E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )
)
Distinct variable groups:    x, y,
z, w, v,  .+    x, 
.~ , y, z, w, v    x, S, y, z, w, v    x, A, y, z, w, v   
x, B, y, z, w, v

Proof of Theorem th3qlem1
Dummy variable  u is distinct from all other variables.
StepHypRef Expression
1 ee4anv 1929 . . . 4  |-  ( E. y E. z E. w E. v ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [ (
y  .+  z ) ]  .~  )  /\  (
( A  =  [
w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ ( w  .+  v ) ]  .~  ) )  <->  ( E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) ) )
2 an4 798 . . . . . . 7  |-  ( ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [ (
y  .+  z ) ]  .~  )  /\  (
( A  =  [
w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ ( w  .+  v ) ]  .~  ) )  <->  ( (
( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) )  /\  (
x  =  [ ( y  .+  z ) ]  .~  /\  u  =  [ ( w  .+  v ) ]  .~  ) ) )
3 eleq1 2440 . . . . . . . . . . . . 13  |-  ( A  =  [ y ]  .~  ->  ( A  e.  ( S /.  .~  ) 
<->  [ y ]  .~  e.  ( S /.  .~  ) ) )
4 eleq1 2440 . . . . . . . . . . . . 13  |-  ( B  =  [ z ]  .~  ->  ( B  e.  ( S /.  .~  ) 
<->  [ z ]  .~  e.  ( S /.  .~  ) ) )
53, 4bi2anan9 844 . . . . . . . . . . . 12  |-  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  ->  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  <->  ( [
y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  ) ) ) )
65adantr 452 . . . . . . . . . . 11  |-  ( ( ( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) )  ->  (
( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  <-> 
( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
) ) )
76biimpac 473 . . . . . . . . . 10  |-  ( ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  /\  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) ) )  ->  ( [
y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  ) ) )
8 eqtr2 2398 . . . . . . . . . . . . 13  |-  ( ( A  =  [ y ]  .~  /\  A  =  [ w ]  .~  )  ->  [ y ]  .~  =  [ w ]  .~  )
9 eqtr2 2398 . . . . . . . . . . . . 13  |-  ( ( B  =  [ z ]  .~  /\  B  =  [ v ]  .~  )  ->  [ z ]  .~  =  [ v ]  .~  )
108, 9anim12i 550 . . . . . . . . . . . 12  |-  ( ( ( A  =  [
y ]  .~  /\  A  =  [ w ]  .~  )  /\  ( B  =  [ z ]  .~  /\  B  =  [ v ]  .~  ) )  ->  ( [ y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )
1110an4s 800 . . . . . . . . . . 11  |-  ( ( ( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) )  ->  ( [ y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )
1211adantl 453 . . . . . . . . . 10  |-  ( ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  /\  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) ) )  ->  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )
13 th3qlem1.1 . . . . . . . . . . . 12  |-  .~  Er  S
1413a1i 11 . . . . . . . . . . 11  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  .~  Er  S )
15 simprl 733 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ y ]  .~  =  [
w ]  .~  )
16 erdm 6844 . . . . . . . . . . . . . . . 16  |-  (  .~  Er  S  ->  dom  .~  =  S )
1713, 16ax-mp 8 . . . . . . . . . . . . . . 15  |-  dom  .~  =  S
18 simpll 731 . . . . . . . . . . . . . . 15  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ y ]  .~  e.  ( S /.  .~  )
)
19 ecelqsdm 6903 . . . . . . . . . . . . . . 15  |-  ( ( dom  .~  =  S  /\  [ y ]  .~  e.  ( S /.  .~  ) )  ->  y  e.  S
)
2017, 18, 19sylancr 645 . . . . . . . . . . . . . 14  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  y  e.  S )
2114, 20erth 6878 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  (
y  .~  w  <->  [ y ]  .~  =  [ w ]  .~  ) )
2215, 21mpbird 224 . . . . . . . . . . . 12  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  y  .~  w )
23 simprr 734 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ z ]  .~  =  [
v ]  .~  )
24 simplr 732 . . . . . . . . . . . . . . 15  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ z ]  .~  e.  ( S /.  .~  )
)
25 ecelqsdm 6903 . . . . . . . . . . . . . . 15  |-  ( ( dom  .~  =  S  /\  [ z ]  .~  e.  ( S /.  .~  ) )  ->  z  e.  S
)
2617, 24, 25sylancr 645 . . . . . . . . . . . . . 14  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  z  e.  S )
2714, 26erth 6878 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  (
z  .~  v  <->  [ z ]  .~  =  [ v ]  .~  ) )
2823, 27mpbird 224 . . . . . . . . . . . 12  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  z  .~  v )
2915, 18eqeltrrd 2455 . . . . . . . . . . . . . 14  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ w ]  .~  e.  ( S /.  .~  ) )
30 ecelqsdm 6903 . . . . . . . . . . . . . 14  |-  ( ( dom  .~  =  S  /\  [ w ]  .~  e.  ( S /.  .~  ) )  ->  w  e.  S )
3117, 29, 30sylancr 645 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  w  e.  S )
3223, 24eqeltrrd 2455 . . . . . . . . . . . . . 14  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ v ]  .~  e.  ( S /.  .~  )
)
33 ecelqsdm 6903 . . . . . . . . . . . . . 14  |-  ( ( dom  .~  =  S  /\  [ v ]  .~  e.  ( S /.  .~  ) )  ->  v  e.  S
)
3417, 32, 33sylancr 645 . . . . . . . . . . . . 13  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  v  e.  S )
35 th3qlem1.3 . . . . . . . . . . . . 13  |-  ( ( ( y  e.  S  /\  w  e.  S
)  /\  ( z  e.  S  /\  v  e.  S ) )  -> 
( ( y  .~  w  /\  z  .~  v
)  ->  ( y  .+  z )  .~  (
w  .+  v )
) )
3620, 31, 26, 34, 35syl22anc 1185 . . . . . . . . . . . 12  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  (
( y  .~  w  /\  z  .~  v
)  ->  ( y  .+  z )  .~  (
w  .+  v )
) )
3722, 28, 36mp2and 661 . . . . . . . . . . 11  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  (
y  .+  z )  .~  ( w  .+  v
) )
3814, 37erthi 6880 . . . . . . . . . 10  |-  ( ( ( [ y ]  .~  e.  ( S /.  .~  )  /\  [ z ]  .~  e.  ( S /.  .~  )
)  /\  ( [
y ]  .~  =  [ w ]  .~  /\ 
[ z ]  .~  =  [ v ]  .~  ) )  ->  [ ( y  .+  z ) ]  .~  =  [
( w  .+  v
) ]  .~  )
397, 12, 38syl2anc 643 . . . . . . . . 9  |-  ( ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  /\  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) ) )  ->  [ (
y  .+  z ) ]  .~  =  [ ( w  .+  v ) ]  .~  )
40 eqeq12 2392 . . . . . . . . 9  |-  ( ( x  =  [ ( y  .+  z ) ]  .~  /\  u  =  [ ( w  .+  v ) ]  .~  )  ->  ( x  =  u  <->  [ ( y  .+  z ) ]  .~  =  [ ( w  .+  v ) ]  .~  ) )
4139, 40syl5ibrcom 214 . . . . . . . 8  |-  ( ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  /\  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) ) )  ->  ( (
x  =  [ ( y  .+  z ) ]  .~  /\  u  =  [ ( w  .+  v ) ]  .~  )  ->  x  =  u ) )
4241expimpd 587 . . . . . . 7  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  -> 
( ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) )  /\  ( x  =  [ ( y  .+  z ) ]  .~  /\  u  =  [ ( w  .+  v ) ]  .~  ) )  ->  x  =  u ) )
432, 42syl5bi 209 . . . . . 6  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  -> 
( ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  ( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
4443exlimdvv 1644 . . . . 5  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  -> 
( E. w E. v ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  ( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
4544exlimdvv 1644 . . . 4  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  -> 
( E. y E. z E. w E. v ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  ( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
461, 45syl5bir 210 . . 3  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  -> 
( ( E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
4746alrimivv 1639 . 2  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  ->  A. x A. u ( ( E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
48 eqeq1 2386 . . . . . 6  |-  ( x  =  u  ->  (
x  =  [ ( y  .+  z ) ]  .~  <->  u  =  [ ( y  .+  z ) ]  .~  ) )
4948anbi2d 685 . . . . 5  |-  ( x  =  u  ->  (
( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [ (
y  .+  z ) ]  .~  )  <->  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  u  =  [
( y  .+  z
) ]  .~  )
) )
50492exbidv 1635 . . . 4  |-  ( x  =  u  ->  ( E. y E. z ( ( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [ ( y  .+  z ) ]  .~  ) 
<->  E. y E. z
( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  u  =  [ (
y  .+  z ) ]  .~  ) ) )
51 eceq1 6870 . . . . . . . 8  |-  ( y  =  w  ->  [ y ]  .~  =  [
w ]  .~  )
5251eqeq2d 2391 . . . . . . 7  |-  ( y  =  w  ->  ( A  =  [ y ]  .~  <->  A  =  [
w ]  .~  )
)
53 eceq1 6870 . . . . . . . 8  |-  ( z  =  v  ->  [ z ]  .~  =  [
v ]  .~  )
5453eqeq2d 2391 . . . . . . 7  |-  ( z  =  v  ->  ( B  =  [ z ]  .~  <->  B  =  [
v ]  .~  )
)
5552, 54bi2anan9 844 . . . . . 6  |-  ( ( y  =  w  /\  z  =  v )  ->  ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  <->  ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  ) ) )
56 oveq12 6022 . . . . . . . 8  |-  ( ( y  =  w  /\  z  =  v )  ->  ( y  .+  z
)  =  ( w 
.+  v ) )
57 eceq1 6870 . . . . . . . 8  |-  ( ( y  .+  z )  =  ( w  .+  v )  ->  [ ( y  .+  z ) ]  .~  =  [
( w  .+  v
) ]  .~  )
5856, 57syl 16 . . . . . . 7  |-  ( ( y  =  w  /\  z  =  v )  ->  [ ( y  .+  z ) ]  .~  =  [ ( w  .+  v ) ]  .~  )
5958eqeq2d 2391 . . . . . 6  |-  ( ( y  =  w  /\  z  =  v )  ->  ( u  =  [
( y  .+  z
) ]  .~  <->  u  =  [ ( w  .+  v ) ]  .~  ) )
6055, 59anbi12d 692 . . . . 5  |-  ( ( y  =  w  /\  z  =  v )  ->  ( ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  u  =  [
( y  .+  z
) ]  .~  )  <->  ( ( A  =  [
w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ ( w  .+  v ) ]  .~  ) ) )
6160cbvex2v 2033 . . . 4  |-  ( E. y E. z ( ( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  u  =  [ ( y  .+  z ) ]  .~  ) 
<->  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )
6250, 61syl6bb 253 . . 3  |-  ( x  =  u  ->  ( E. y E. z ( ( A  =  [
y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [ ( y  .+  z ) ]  .~  ) 
<->  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) ) )
6362mo4 2264 . 2  |-  ( E* x E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  <->  A. x A. u ( ( E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )  /\  E. w E. v
( ( A  =  [ w ]  .~  /\  B  =  [ v ]  .~  )  /\  u  =  [ (
w  .+  v ) ]  .~  ) )  ->  x  =  u )
)
6447, 63sylibr 204 1  |-  ( ( A  e.  ( S /.  .~  )  /\  B  e.  ( S /.  .~  ) )  ->  E* x E. y E. z ( ( A  =  [ y ]  .~  /\  B  =  [ z ]  .~  )  /\  x  =  [
( y  .+  z
) ]  .~  )
)
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 177    /\ wa 359   A.wal 1546   E.wex 1547    = wceq 1649    e. wcel 1717   E*wmo 2232   class class class wbr 4146   dom cdm 4811  (class class class)co 6013    Er wer 6831   [cec 6832   /.cqs 6833
This theorem is referenced by:  th3qlem2  6940
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1661  ax-8 1682  ax-14 1721  ax-6 1736  ax-7 1741  ax-11 1753  ax-12 1939  ax-ext 2361  ax-sep 4264  ax-nul 4272  ax-pr 4337
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2235  df-mo 2236  df-clab 2367  df-cleq 2373  df-clel 2376  df-nfc 2505  df-ne 2545  df-ral 2647  df-rex 2648  df-rab 2651  df-v 2894  df-sbc 3098  df-dif 3259  df-un 3261  df-in 3263  df-ss 3270  df-nul 3565  df-if 3676  df-sn 3756  df-pr 3757  df-op 3759  df-uni 3951  df-br 4147  df-opab 4201  df-xp 4817  df-rel 4818  df-cnv 4819  df-co 4820  df-dm 4821  df-rn 4822  df-res 4823  df-ima 4824  df-iota 5351  df-fv 5395  df-ov 6016  df-er 6834  df-ec 6836  df-qs 6840
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