In one sense yes. The faith that saves includes the life of Christ finding expression in the new believer's life.
Scripture also delineates the possibility of a believer living a carnal life for a time. That does not rule out eternal life for that believer, just rewards.
Now, perhaps you will get back to any of daniel1212's questions you've yet to answer.
I've already demonstrated the circularity that underpins those questions, thus making answering them unnecessary.
One does not entertain the antagonist's question "how can you do math with letters?" AFTER introducing Algebra.