Things don't just appear. So your formula for creation would be:
Because everything must have a creator? Wait, I don't see anything before God. So, not EVERYTHING must have a creator. Holy shit.
Don't get me wrong, I'm no atheist, but I don't find neither the Big Bang argument or the 'everything was created by someone' argument convincing.
Cell theory has the same flaw as the one posted above. So all cells come from pre-existing cells, by dividing them.
Cell>2 Cells> 4 Cells > 8 cells> and so on and so forth
Nothing behind 'Cell'. Glup.