The New Pauly

Deductions

• tertiary source is for example The New Pauly ⇐ (The New Pauly is a tertiary source), (is a is inverse of is for example)
• reference work is for example The New Pauly ⇐ (The New Pauly is a reference work), (is a is inverse of is for example)
• The New Pauly is a tertiary source ⇐ (reference work is subclass of tertiary source), (The New Pauly is a reference work)