The commutative property of equality is established. You might be thinking of conditionality.
Given: If A then B, and B is TRUE
we cannot say for certain A is true
Lisa doesn't get dessert if she doesn't eat her vegetables. Lisa didn't get dessert
Can we asctertain if Lisa ate her vegetables?
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The commutative property of equality is established. You might be thinking of conditionality.
Given:
If A then B, and
B is TRUE
we cannot say for certain A is true
Lisa doesn't get dessert if she doesn't eat her vegetables.
Lisa didn't get dessert
Can we asctertain if Lisa ate her vegetables?