Robbins algebra

Deductions

• concept is for example Robbins algebra ⇐ (Robbins algebra is a concept), (is a is inverse of is for example)
• mathematical concept is for example Robbins algebra ⇐ (Robbins algebra is a mathematical concept), (is a is inverse of is for example)
• Robbins algebra is a concept ⇐ (mathematical concept is subclass of concept), (Robbins algebra is a mathematical concept)