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Theorem xpsff1o2 13433
Description: The function appearing in xpsval 13434 is a bijection from the cartesian product to the indexed cartesian product indexed on the pair  2o  =  { (/)
,  1o }. (Contributed by Mario Carneiro, 24-Jan-2015.)
Hypothesis
Ref Expression
xpsff1o.f  |-  F  =  ( x  e.  A ,  y  e.  B  |->  { <. (/) ,  x >. , 
<. 1o ,  y >. } )
Assertion
Ref Expression
xpsff1o2  |-  F :
( A  X.  B
)
-1-1-onto-> ran  F
Distinct variable groups:    x, A, y   
x, B, y
Allowed substitution hints:    F( x, y)

Proof of Theorem xpsff1o2
Dummy variable  k is distinct from all other variables.
StepHypRef Expression
1 xpsff1o.f . . 3  |-  F  =  ( x  e.  A ,  y  e.  B  |->  { <. (/) ,  x >. , 
<. 1o ,  y >. } )
21xpsff1o 13431 . 2  |-  F :
( A  X.  B
)
-1-1-onto-> X_ k  e.  2o  if ( k  =  (/) ,  A ,  B )
3 f1of1 5582 . 2  |-  ( F : ( A  X.  B ) -1-1-onto-> X_ k  e.  2o  if ( k  =  (/) ,  A ,  B )  ->  F : ( A  X.  B )
-1-1->
X_ k  e.  2o  if ( k  =  (/) ,  A ,  B ) )
4 f1f1orn 5594 . 2  |-  ( F : ( A  X.  B ) -1-1-> X_ k  e.  2o  if ( k  =  (/) ,  A ,  B )  ->  F : ( A  X.  B ) -1-1-onto-> ran  F )
52, 3, 4mp2b 8 1  |-  F :
( A  X.  B
)
-1-1-onto-> ran  F
Colors of variables: wff set class
Syntax hints:    = wceq 1397   (/)c0 3494   ifcif 3605   {cpr 3670   <.cop 3672    X. cxp 4723   ran crn 4726   -1-1->wf1 5323   -1-1-onto->wf1o 5325    e. cmpo 6019   1oc1o 6574   2oc2o 6575   X_cixp 6866
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-if 3606  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-id 4390  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-1o 6581  df-2o 6582  df-er 6701  df-ixp 6867  df-en 6909  df-fin 6911
This theorem is referenced by: (None)
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