Invitation for Atheists to Debate a Christian via Skype

[Amarok]

Basic logic demands a cause for all phenomena,

No such demand exists 

really, because a so-called "acausal" explanation for existence is still an explanation for something existing, of course, and is therefore actually causal in a wider sense.

This makes no sense 

It may not be causal in a scientific sense ... but if X explains the existence of Y then it's certainly causal in a philosophical sense.

Nope

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I highly doubt that any knowledgeable scientist thinks that acausal proccesses mean that things just happen for no apparent reason.

Then you aren't aware of many

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universe just being pure teleporty magic.

As opposed to your magical assertion logic demands a cause