Assertion: subtraction | /r/HasProperty | inverse operation
Facets:
value: to addition
type: PURPOSE
Source sentences:
text: We can use addition to solve subtraction problems because subtraction is the inverse operation to addition.
text: We say addition and subtraction are inverse operations because one operation can "undo" the other operation.
text: Subtraction is the inverse operation to addition.
text: Subtraction and addition are inverse operations.