ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  djuin Unicode version

Theorem djuin 7065
Description: The images of any classes under right and left injection produce disjoint sets. (Contributed by Jim Kingdon, 21-Jun-2022.) (Proof shortened by BJ, 9-Jul-2023.)
Assertion
Ref Expression
djuin  |-  ( (inl " A )  i^i  (inr " B ) )  =  (/)

Proof of Theorem djuin
StepHypRef Expression
1 df-ima 4641 . . 3  |-  (inl " A )  =  ran  (inl  |`  A )
2 df-ima 4641 . . 3  |-  (inr " B )  =  ran  (inr  |`  B )
31, 2ineq12i 3336 . 2  |-  ( (inl " A )  i^i  (inr " B ) )  =  ( ran  (inl  |`  A )  i^i  ran  (inr  |`  B ) )
4 djuinr 7064 . 2  |-  ( ran  (inl  |`  A )  i^i 
ran  (inr  |`  B ) )  =  (/)
53, 4eqtri 2198 1  |-  ( (inl " A )  i^i  (inr " B ) )  =  (/)
Colors of variables: wff set class
Syntax hints:    = wceq 1353    i^i cin 3130   (/)c0 3424   ran crn 4629    |` cres 4630   "cima 4631  inlcinl 7046  inrcinr 7047
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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-sep 4123  ax-nul 4131  ax-pow 4176  ax-pr 4211  ax-un 4435
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-ral 2460  df-rex 2461  df-v 2741  df-sbc 2965  df-dif 3133  df-un 3135  df-in 3137  df-ss 3144  df-nul 3425  df-pw 3579  df-sn 3600  df-pr 3601  df-op 3603  df-uni 3812  df-br 4006  df-opab 4067  df-mpt 4068  df-tr 4104  df-id 4295  df-iord 4368  df-on 4370  df-suc 4373  df-xp 4634  df-rel 4635  df-cnv 4636  df-co 4637  df-dm 4638  df-rn 4639  df-res 4640  df-ima 4641  df-iota 5180  df-fun 5220  df-fn 5221  df-f 5222  df-f1 5223  df-fo 5224  df-f1o 5225  df-fv 5226  df-1st 6143  df-2nd 6144  df-1o 6419  df-inl 7048  df-inr 7049
This theorem is referenced by:  caseinl  7092  caseinr  7093  endjusym  7097  ctssdccl  7112  dju1p1e2  7198  endjudisj  7211  djuen  7212
  Copyright terms: Public domain W3C validator