Simplified TRIZ: New Problem Solving Applications for engineers by Kalevi Rantanen, Ellen Domb

Russian theory on analyzing inventions and creating a framework to design new inventions.

TRIZ: Theory of inventive problem solving.

Contradiction: Two opposing factors. Wanting two things that do not fit together.

Idle resources: Something which already exists in the environment but is not being used.

Ideality: The ideal (possibly unreachable) state of a system.

Increasing ideality: When a change brings something closer to its ideal target state.

XXX they listed two kinds of contradictions; didn't recall it

Fixing problems is a matter of resolving contradictions where they "increase ideality."