I removed the upvote that someone had placed on this because the above reasoning is intuitive but wrong. We can conclude that it is wrong for the same reason and with the same confidence that we can conclude “all X are Y; B is Y; therefore, B is X” is wrong.
To evaluate claims we must use the best tools of reasoning that are available to us. This applies whether or not we are evaluating claims about reasoning itself.
I removed the upvote that someone had placed on this because the above reasoning is intuitive but wrong. We can conclude that it is wrong for the same reason and with the same confidence that we can conclude “all X are Y; B is Y; therefore, B is X” is wrong.
To evaluate claims we must use the best tools of reasoning that are available to us. This applies whether or not we are evaluating claims about reasoning itself.