idea

Deductions

• idea is for example social science concept ⇐ (social science concept is a idea), (is a is inverse of is for example)
• idea is subclass of sign ⇐ (idea is subclass of representation), (representation is subclass of sign), (is subclass of is a transitive relation)
• idea is subclass of representation ⇐ (idea is subclass of mental representation), (mental representation is subclass of representation), (is subclass of is a transitive relation)