secondary source
Deductions
- library science is for example secondary source ⇐ (secondary source is a library science), (is a is inverse of is for example)
- secondary source is subclass of source ⇐ (secondary source is subclass of source text), (source text is subclass of source), (is subclass of is a transitive relation)
- secondary source is subclass of source of information ⇐ (secondary source is subclass of source text), (source text is subclass of source of information), (is subclass of is a transitive relation)
- secondary source is subclass of entity ⇐ (secondary source is subclass of source text), (source text is subclass of entity), (is subclass of is a transitive relation)