Fill in the square of opposition
Exercise and reference answers
- Missing parts
- Answer
- contraries
- Choices
- contraries
- contradictories
- Answer
- sub-contraries
- Choices
- subalterns
- sub-contraries
- Complete the statement
- A and E are {0}: both can be false, but never both true. I and O are {1}: both can be true, but never both false.
- Instructions
- Tap the word that belongs in each blank.
Explanation
_Source: Carveth Read, Logic: Deductive and Inductive (1914, public domain), Chapter VII, Immediate Inferences, section 6 Contrariety_