1. Determine whether the argument given is valid or invalid. That...

1. Determine whether the argument given is valid or invalid. That is, does the conclusion logically follow from the given true statement(s) (e.g. is the conclusion necessarily true as a result of the given true statement(s))? Explain your reasoning for the validity or invalidity.

: Rexon will go to the store, or Tess will make dinner.

: Tess will not make dinner.

: Therefore, Rexon will go to the store.

2. Determine whether the argument given is valid or invalid. That is, does the conclusion logically follow from the given true statement(s) (e.g. is the conclusion necessarily true as a result of the given true statement(s))? Explain your reasoning for the validity or invalidity.

: If we finish our homework, then we watch a movie.

: Therefore, if we watch a movie, then we finish our homework.

3. Determine whether the argument given is valid or invalid. That is, does the conclusion logically follow from the given true statement(s) (e.g. is the conclusion necessarily true as a result of the given true statement(s))? Explain your reasoning for the validity or invalidity.

: If my children eat all their dinner, then they can have dessert.

: My children do not eat all their dinner.

: Therefore, my children cannot have dessert.

4. Determine whether the argument given is valid or invalid. That is, does the conclusion logically follow from the given true statement(s) (e.g. is the conclusion necessarily true as a result of the given true statement(s))? Explain your reasoning for the validity or invalidity.

: Every ice cream shop has vanilla ice cream.

: Yoyo's is an ice cream shop.

: Therefore, Yoyo's has vanilla ice cream.