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Theorem xpsff1o2 13564
Description: The function appearing in xpsval 13565 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 13562 . 2  |-  F :
( A  X.  B
)
-1-1-onto-> X_ k  e.  2o  if ( k  =  (/) ,  A ,  B )
3 f1of1 5613 . 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 5625 . 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 1398   (/)c0 3508   ifcif 3620   {cpr 3690   <.cop 3692    X. cxp 4747   ran crn 4750   -1-1->wf1 5349   -1-1-onto->wf1o 5351    e. cmpo 6052   1oc1o 6640   2oc2o 6641   X_cixp 6933
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4225  ax-sep 4228  ax-nul 4236  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-iinf 4710
This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-ral 2525  df-rex 2526  df-reu 2527  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-nul 3509  df-if 3621  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-iun 3993  df-br 4110  df-opab 4172  df-mpt 4173  df-tr 4209  df-id 4414  df-iord 4487  df-on 4489  df-suc 4492  df-iom 4713  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-f1 5357  df-fo 5358  df-f1o 5359  df-fv 5360  df-ov 6053  df-oprab 6054  df-mpo 6055  df-1st 6334  df-2nd 6335  df-1o 6647  df-2o 6648  df-er 6767  df-ixp 6934  df-en 6976  df-fin 6978
This theorem is referenced by: (None)
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