23/04/08 14:09:03.02 Q70wcSnh.net
結局
f'(0) exists ∧ ∃k,l ( |k|≠0,1 ∧ f(kx) = lf(x) ( ∀x ) )‥①
この条件が強力でコレだけで
f(x) is constant or f'(0) = 0 or f(x) = f'(0)x
まで出てしまう
23/04/08 14:09:03.02 Q70wcSnh.net
結局
f'(0) exists ∧ ∃k,l ( |k|≠0,1 ∧ f(kx) = lf(x) ( ∀x ) )‥①
この条件が強力でコレだけで
f(x) is constant or f'(0) = 0 or f(x) = f'(0)x
まで出てしまう