Suppose m,n e N. Show that m < n and n < m cannot both occur.

This is obvious, but I having trouble proving it mathematically.

Any advice? Thanks in advance.

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- Feb 12th 2009, 09:14 PMjzellt[SOLVED] Proof involving natural numbers
Suppose m,n e N. Show that m < n and n < m cannot both occur.

This is obvious, but I having trouble proving it mathematically.

Any advice? Thanks in advance. - Feb 12th 2009, 09:20 PMProve It