third

Deductions

• mathematical object is for example third ⇐ (third is a mathematical object), (is a is inverse of is for example)
• third is a mathematical object ⇐ (ordinal number is subclass of mathematical object), (third is a ordinal number)
• number is for example third ⇐ (third is a number), (is a is inverse of is for example)
• third is a number ⇐ (ordinal number is subclass of number), (third is a ordinal number)
• ordinal number is for example third ⇐ (third is a ordinal number), (is a is inverse of is for example)
• Rules of Russian Orthography and Punctuation has quality third ⇐ (Rules of Russian Orthography and Punctuation is a tertiary source), (tertiary source has quality third)