Atheism is not a philosophy, it is a disbelief in gods, demons, angles, visitng aliens from outer space, etc. As far as reality goes with atheists, we exist, therefore we are real.
That life exists.
Atheists have friends like anyone else; existentialism is irrelevant.
It does no such thing ! You may want to read about philosophy to learn what existentialism is.
Atheists believe friends exist.
Families of atheists exist.
We are pretty sure it exists.
As far as I am concerned existentialism plays no part.
Jean-Paul Sartre is known as the father of atheistic existentialism. He was a French philosopher, playwright, and novelist who explored themes of freedom, responsibility, and the absence of a higher power in his works.
I am not sure what is meant by Life Domain Family. It may not necessarily have to do with atheism. and nothing with existentialism.
Humans have values, secularly as well as religious. Religion need not play a part in human values. Existentialism is moot.
Suffering and dying exist. Existentialism has no part in atheism.
Sexuality exists, just like new, fun big words!