3. translate the following sentence into a formula: the only sophomores uho date betty are those who like greek. (a) exhibit one term of this form (b) exhibit one atomic formula present in this formula. (c) determine the scope of each of the quantifiers that occur in this formula. (d) does this formula contain a free variable? justify (e) does this formula constitute a statement? justify. 4. verify whether the argument below is valid or not. if the argument is invalid, then write conclusion does not follow and then exhibit a combination of truth values that prove so. li, and only if, roger has entered into the contract, and the contract is legel, and roger has not performed the contract, jones will win the lausuit if roger has not accepted jones offer, roger has not entered into the contract. the fact is that roger 0 has not accepted jones' offer. therefore, jones will not win the lausuit. 10