Proof: Additive Inverse 2 Pre

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	a ⋅ b = b ⋅ a	a ⋅ b = b ⋅ a (Commutative Property of Multiplication)
2	c + (a ⋅ b) = c + (b ⋅ a)	if a ⋅ b = b ⋅ a, then c + (a ⋅ b) = c + (b ⋅ a) (Substitution)

Comments

Please log in to add comments