According to some political pundits, a person who is radical ($R$) is
electable ($E$) if he/she is conservative ($C$), but otherwise is not
electable.
1. Which of the following are correct representations of this assertion?
1. $(R\land E)\iff C$
2. $R{\:\;{\Rightarrow}\:\;}(E\iff C)$
3. $R{\:\;{\Rightarrow}\:\;}((C{\:\;{\Rightarrow}\:\;}E) \lor \lnot E)$
2. Which of the sentences in (a) can be expressed in Horn form?
1. Which of the following are correct representations of this assertion?
1. $(R\land E)\iff C$
2. $R{\:\;{\Rightarrow}\:\;}(E\iff C)$
3. $R{\:\;{\Rightarrow}\:\;}((C{\:\;{\Rightarrow}\:\;}E) \lor \lnot E)$
2. Which of the sentences in (a) can be expressed in Horn form?
According to some political pundits, a person who is radical ($R$) is
electable ($E$) if he/she is conservative ($C$), but otherwise is not
electable.
1. Which of the following are correct representations of this
assertion?
1. $(R\land E)\iff C$
2. $R{\:\;{\Rightarrow}\:\;}(E\iff C)$
3. $R{\:\;{\Rightarrow}\:\;}((C{\:\;{\Rightarrow}\:\;}E) \lor \lnot E)$
2. Which of the sentences in (a) can be expressed in Horn form?