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Theorem djurf1or 7159
Description: The right injection function on all sets is one to one and onto. (Contributed by BJ and Jim Kingdon, 22-Jun-2022.)
Assertion
Ref Expression
djurf1or  |-  (inr  |`  A ) : A -1-1-onto-> ( { 1o }  X.  A )

Proof of Theorem djurf1or
Dummy variable  x is distinct from all other variables.
StepHypRef Expression
1 1oex 6510 . 2  |-  1o  e.  _V
2 df-inr 7150 . 2  |- inr  =  ( x  e.  _V  |->  <. 1o ,  x >. )
31, 2djuf1olemr 7156 1  |-  (inr  |`  A ) : A -1-1-onto-> ( { 1o }  X.  A )
Colors of variables: wff set class
Syntax hints:   {csn 3633    X. cxp 4673    |` cres 4677   -1-1-onto->wf1o 5270   1oc1o 6495  inrcinr 7148
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 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-13 2178  ax-14 2179  ax-ext 2187  ax-sep 4162  ax-nul 4170  ax-pow 4218  ax-pr 4253  ax-un 4480
This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-nf 1484  df-sb 1786  df-eu 2057  df-mo 2058  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ral 2489  df-rex 2490  df-v 2774  df-sbc 2999  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3461  df-pw 3618  df-sn 3639  df-pr 3640  df-op 3642  df-uni 3851  df-br 4045  df-opab 4106  df-mpt 4107  df-tr 4143  df-id 4340  df-iord 4413  df-on 4415  df-suc 4418  df-xp 4681  df-rel 4682  df-cnv 4683  df-co 4684  df-dm 4685  df-rn 4686  df-res 4687  df-iota 5232  df-fun 5273  df-fn 5274  df-f 5275  df-f1 5276  df-fo 5277  df-f1o 5278  df-fv 5279  df-1st 6226  df-2nd 6227  df-1o 6502  df-inr 7150
This theorem is referenced by:  inrresf1  7164  djuinr  7165  djuunr  7168  eldju  7170  eninr  7200
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