If it is true that...

Good design embodies simplicity, timelessness, problem-solving, suggestiveness, humor, difficulty, ease of use, symmetry, and resemblance to nature

Then it must be true that...

Redesign is a characteristic of good design

If it is true that...

Experts anticipate discarding some initial work and expect plans to change

Then it must be true that...

Redesign is a characteristic of good design

If it is true that...

Early aircraft designers were mistaken in designing aircraft to resemble birds

Then it must be true that...

Redesign is a characteristic of good design