A logical proposition is any proposition that can be reduced by replacement of its constituent terms to a proposition expressing a logical truth—e. g., to a proposition such as "If p and q, then p." The proposition "All husbands are married," for

Explanation:

The definition of logical proposition as discussed in the question is any any proposition that can be reduced by replacement of its constituent terms to a proposition expressing a logical truth.

So, accordingly, '

"If p and q, then p.

" The proposition "All husbands are married,"  is logically equivalent to the proposition "If something is married is male, then it is married" .

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

answer; if congress didn't act on certain requests;