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Theorem setscomd 13371
Description: Different components can be set in any order. (Contributed by Jim Kingdon, 20-Feb-2025.)
Hypotheses
Ref Expression
setscomd.a  |-  ( ph  ->  A  e.  Y )
setscomd.b  |-  ( ph  ->  B  e.  Z )
setscomd.s  |-  ( ph  ->  S  e.  V )
setscomd.ab  |-  ( ph  ->  A  =/=  B )
setscomd.c  |-  ( ph  ->  C  e.  W )
setscomd.d  |-  ( ph  ->  D  e.  X )
Assertion
Ref Expression
setscomd  |-  ( ph  ->  ( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) )

Proof of Theorem setscomd
Dummy variables  a  b are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 setscomd.ab . 2  |-  ( ph  ->  A  =/=  B )
2 setscomd.b . . 3  |-  ( ph  ->  B  e.  Z )
3 simpr 110 . . . . 5  |-  ( (
ph  /\  b  =  B )  ->  b  =  B )
43neeq2d 2439 . . . 4  |-  ( (
ph  /\  b  =  B )  ->  ( A  =/=  b  <->  A  =/=  B ) )
53opeq1d 3905 . . . . . 6  |-  ( (
ph  /\  b  =  B )  ->  <. b ,  D >.  =  <. B ,  D >. )
65oveq2d 6091 . . . . 5  |-  ( (
ph  /\  b  =  B )  ->  (
( S sSet  <. A ,  C >. ) sSet  <. b ,  D >. )  =  ( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. ) )
75oveq2d 6091 . . . . . 6  |-  ( (
ph  /\  b  =  B )  ->  ( S sSet  <. b ,  D >. )  =  ( S sSet  <. B ,  D >. ) )
87oveq1d 6090 . . . . 5  |-  ( (
ph  /\  b  =  B )  ->  (
( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) )
96, 8eqeq12d 2253 . . . 4  |-  ( (
ph  /\  b  =  B )  ->  (
( ( S sSet  <. A ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. )  <-> 
( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) ) )
104, 9imbi12d 234 . . 3  |-  ( (
ph  /\  b  =  B )  ->  (
( A  =/=  b  ->  ( ( S sSet  <. A ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. ) )  <->  ( A  =/= 
B  ->  ( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) ) ) )
11 setscomd.a . . . 4  |-  ( ph  ->  A  e.  Y )
12 simpr 110 . . . . . 6  |-  ( (
ph  /\  a  =  A )  ->  a  =  A )
1312neeq1d 2438 . . . . 5  |-  ( (
ph  /\  a  =  A )  ->  (
a  =/=  b  <->  A  =/=  b ) )
1412opeq1d 3905 . . . . . . . 8  |-  ( (
ph  /\  a  =  A )  ->  <. a ,  C >.  =  <. A ,  C >. )
1514oveq2d 6091 . . . . . . 7  |-  ( (
ph  /\  a  =  A )  ->  ( S sSet  <. a ,  C >. )  =  ( S sSet  <. A ,  C >. ) )
1615oveq1d 6090 . . . . . 6  |-  ( (
ph  /\  a  =  A )  ->  (
( S sSet  <. a ,  C >. ) sSet  <. b ,  D >. )  =  ( ( S sSet  <. A ,  C >. ) sSet  <. b ,  D >. ) )
1714oveq2d 6091 . . . . . 6  |-  ( (
ph  /\  a  =  A )  ->  (
( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. ) )
1816, 17eqeq12d 2253 . . . . 5  |-  ( (
ph  /\  a  =  A )  ->  (
( ( S sSet  <. a ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. )  <-> 
( ( S sSet  <. A ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. ) ) )
1913, 18imbi12d 234 . . . 4  |-  ( (
ph  /\  a  =  A )  ->  (
( a  =/=  b  ->  ( ( S sSet  <. a ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. ) )  <->  ( A  =/=  b  ->  ( ( S sSet  <. A ,  C >. ) sSet  <. b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. ) ) ) )
20 setscomd.s . . . . . . 7  |-  ( ph  ->  S  e.  V )
2120adantr 276 . . . . . 6  |-  ( (
ph  /\  a  =/=  b )  ->  S  e.  V )
22 simpr 110 . . . . . 6  |-  ( (
ph  /\  a  =/=  b )  ->  a  =/=  b )
23 setscomd.c . . . . . . 7  |-  ( ph  ->  C  e.  W )
2423adantr 276 . . . . . 6  |-  ( (
ph  /\  a  =/=  b )  ->  C  e.  W )
25 setscomd.d . . . . . . 7  |-  ( ph  ->  D  e.  X )
2625adantr 276 . . . . . 6  |-  ( (
ph  /\  a  =/=  b )  ->  D  e.  X )
27 vex 2824 . . . . . . 7  |-  a  e. 
_V
28 vex 2824 . . . . . . 7  |-  b  e. 
_V
2927, 28setscom 13370 . . . . . 6  |-  ( ( ( S  e.  V  /\  a  =/=  b
)  /\  ( C  e.  W  /\  D  e.  X ) )  -> 
( ( S sSet  <. a ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. ) )
3021, 22, 24, 26, 29syl22anc 1279 . . . . 5  |-  ( (
ph  /\  a  =/=  b )  ->  (
( S sSet  <. a ,  C >. ) sSet  <. b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. ) )
3130ex 115 . . . 4  |-  ( ph  ->  ( a  =/=  b  ->  ( ( S sSet  <. a ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. a ,  C >. ) ) )
3211, 19, 31vtocld 2875 . . 3  |-  ( ph  ->  ( A  =/=  b  ->  ( ( S sSet  <. A ,  C >. ) sSet  <.
b ,  D >. )  =  ( ( S sSet  <. b ,  D >. ) sSet  <. A ,  C >. ) ) )
332, 10, 32vtocld 2875 . 2  |-  ( ph  ->  ( A  =/=  B  ->  ( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) ) )
341, 33mpd 13 1  |-  ( ph  ->  ( ( S sSet  <. A ,  C >. ) sSet  <. B ,  D >. )  =  ( ( S sSet  <. B ,  D >. ) sSet  <. A ,  C >. ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1402    e. wcel 2209    =/= wne 2420   <.cop 3708  (class class class)co 6075   sSet csts 13328
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 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4244  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-rab 2537  df-v 2823  df-sbc 3052  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-br 4126  df-opab 4188  df-id 4433  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-res 4781  df-iota 5332  df-fun 5374  df-fv 5380  df-ov 6078  df-oprab 6079  df-mpo 6080  df-sets 13337
This theorem is referenced by:  mgpress  14205
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