Proof: Midpoint Distance Half

Let's prove the following theorem:

if M is the midpoint of line AB, then distance MB = (distance AB) / 2

Proof:

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Given
1 M is the midpoint of line AB
Proof Table
# Claim Reason
1 (distance MB) ⋅ 2 = distance AB if M is the midpoint of line AB, then (distance MB) ⋅ 2 = distance AB
2 distance MB = (distance AB) / 2 if (distance MB) ⋅ 2 = distance AB, then distance MB = (distance AB) / 2

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