IMP

result = expr1 IMP expr2

The logical implication from two values (Variant).

expr1	The first expression evaluating to either True or False (Boolean)
expr2	The second expression evaluating to either True or False (Boolean)

REMARKS

* This is an Operator.
* You can use the EQV operator for logical equivalence.
* For the Microsoft documentation refer to learn.microsoft.com

Debug.Print 1 Imp 0           '= -2  
Debug.Print 1 Imp 1           '= -1  
Debug.Print 0 Imp 1           '= -1  
Debug.Print 0 Imp 0           '= -1  

Debug.Print True Imp True     '= True  
Debug.Print True Imp False    '= False  
Debug.Print False Imp False   '= True  
Debug.Print False Imp False   '= True  

Debug.Print True Imp Null     '= Null  
Debug.Print Null Imp True     '= True  
Debug.Print False Imp Null    '= True  
Debug.Print Null Imp False    '= Null  
Debug.Print Null Imp Null     '= Null