Irrelevant parts snipped out again. You've got quite a lot of self-contradiction in this post!
Firstly, I never claimed that you said 'before conception'. However, your argument implied that your premise was valid in all cases, which
does include 'before conception'. If you include an exception in your argument that "this does
not apply before conception" then you are guilty of
special pleading by way of
circular reasoning. To explain this - 'special pleading' is where you try and argue for an exception to a general rule without justifying why the exception exists. For example, "yes, I know that all people should be allowed to marry - but not mixed-race couples!". You have argued that "if going back in time and killing X results in a person not being here today, X must be a person - but not before conception!"
Now, I can pretty much guarantee your response here - 'but the reason for the exception is that life starts at conception!'. This is where the 'circular reasoning' comes in - because 'when does life start?' is the question we are discussing here. You can't use the assumption that life starts at conception in order to prove that life starts at conception.
All you are really doing here is asserting your opinion again. You aren't actually constructing an argument to justify it - or rather, the argument that you have constructed so far relies on the assumption that your assertion is true, which means that it is no argument at all.
Really?
The problem with pretending you didn't say something on a forum is that your quotes can be cited for anyone to see. Like the following - when you deny that...
...I can simply get all the quotes which show the opposite. Bolding added for emphasis.
...or...
You can't weasel out of what you've already said - especially given that you said it with 'total confidence' etc.
...again, this is your opinion only. It is not a fact.
There is no baby involved in an abortion.
...and the development of a cake begins when eggs are broken and mixed with flour and sugar. That doesn't mean that a cake mix is a cake. And if you are happy to quote textbooks, I suggest that you go over to the other thread and looks at the excerpts I have presented. Or are textbooks only 'biased' and 'untrustworthy' when they agree with me, but are perfectly valid for you to quote when they agree with you, even though the excerpts are held on a webpage with 'prolife' in the URL?