Module 2: A entails B or B entails A Flashcards
1
Q
A: Harry is a wizard and Ron is a Muggle.
B: Ron is a Muggle and Harry is a wizard.
A
A entails B
B entails A
2
Q
A: Harry is a wizard and Ron is a Muggle.
B: Ron is a Muggle.
A
A entails B
B does NOT entail A
- “Ron is a muggle” in A guarantees the truth in B
- B: “Ron is a muggle” does NOT guarantee the truth in A that Harry is a wizard
3
Q
A: Ottawa is the capital city of Canada
B: Canada is in North America
A
A does NOT entail B
B does NOT entail A
4
Q
A: Bears are dangerous animals
B: Bears are dangerous animals or Robins are dangerous birds
A
A entails B
B does NOT entail A
- key word: “or”
5
Q
A: some lawyers are rich
B: some female lawyers are rich
A
A does not entail B
B entails A
