Memobase

Deductions

• intellectual work is for example Memobase ⇐ (Memobase is a intellectual work), (is a is inverse of is for example)
• Memobase is a intellectual work ⇐ (database is subclass of intellectual work), (Memobase is a database)
• database is for example Memobase ⇐ (Memobase is a database), (is a is inverse of is for example)