abstraction

Deductions

• abstraction is for example membership ⇐ (membership is a abstraction), (is a is inverse of is for example)
• concretization is opposite of abstraction ⇐ abstraction is opposite of concretization
• Fellow of the Royal Society has quality abstraction ⇐ (Fellow of the Royal Society is a member), (member has quality abstraction)
• member has quality abstraction ⇐ (membership is a abstraction), (member has quality membership)
• fellow has quality abstraction ⇐ (membership is a abstraction), (fellow has quality membership)