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Definition df-inl 6898
Description: Left injection of a disjoint union. (Contributed by Mario Carneiro, 21-Jun-2022.)
Assertion
Ref Expression
df-inl  |- inl  =  ( x  e.  _V  |->  <. (/)
,  x >. )

Detailed syntax breakdown of Definition df-inl
StepHypRef Expression
1 cinl 6896 . 2  class inl
2 vx . . 3  setvar  x
3 cvv 2658 . . 3  class  _V
4 c0 3331 . . . 4  class  (/)
52cv 1313 . . . 4  class  x
64, 5cop 3498 . . 3  class  <. (/) ,  x >.
72, 3, 6cmpt 3957 . 2  class  ( x  e.  _V  |->  <. (/) ,  x >. )
81, 7wceq 1314 1  wff inl  =  ( x  e.  _V  |->  <. (/)
,  x >. )
Colors of variables: wff set class
This definition is referenced by:  djulclr  6900  djulcl  6902  djulclb  6906  djulf1or  6907  djulf1o  6909  inl11  6916  djuss  6921  1stinl  6925  2ndinl  6926  caseinj  6940  caseinl  6942  djudoml  7039  djulclALT  12810
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