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Sep
24
awarded  Autobiographer
Jun
13
awarded  Informed
May
8
awarded  Editor
May
8
revised All natural numbers are equal.
added 164 characters in body
Mar
28
comment All natural numbers are equal.
Is it OK to write a proof for this theorem with something that makes use of the contrary like the max-Function ? Wouldn't this theorem state that the max function has to return the same number each time for N ?
Mar
27
comment All natural numbers are equal.
you are right !
Mar
27
comment All natural numbers are equal.
But what would be wrong, if the proof did not target N but Z ?! Then the proof would still not be right & it would be possible to decrease 1...
Mar
27
comment All natural numbers are equal.
yes i know. the the induction step from m=1 to m=2 contains already the contradiction, i wanted to point that out
Mar
27
awarded  Teacher
Mar
27
answered All natural numbers are equal.
Feb
15
awarded  Supporter