Thm 2: Suppose m, n eN are such that n >=m. Then n = m + b if and only if b = n -m.
THe problem:
If n, m e N with n >= m and n - m = 0, then n = m.
I am asked to prove this as a consequence of Thm. 2. Any adivce? THanks.
Thm 2: Suppose m, n eN are such that n >=m. Then n = m + b if and only if b = n -m.
THe problem:
If n, m e N with n >= m and n - m = 0, then n = m.
I am asked to prove this as a consequence of Thm. 2. Any adivce? THanks.