Only to the unlearned would a claim of falsehood be made about Genesis and the very two different days of creation.
Science has demonstrated that it would be impossible for all peoples to have been born of only two human beings. So it makes common sense there would have been more than two fully grown adult human beings formed.
I'm no theologian, but why did all men fall if only one couple was guilty of eating the fruit?
Yes it has, and yes it does! However, that is not what Genesis says. Clearly, Genesis is in error regarding the creation account of man and woman. I haven't even gotten into where Adam and Eve's sons got their wives from...