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View Thread: Mars is Alive!
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    Charles said:
    BlackTiger said:
    Umm... Earth is chalk full of organisms of all shapes and sizes that produce methane as a result of metabolic acitivity. Humans are among them...

    The proof is everywhere.
    Not to be a nuisance, but that's affirming the consequent. If A (life) then B (methane), B therefore A isn't a valid argument. Sure, it makes life probable, but doesn't exactly constitute as proof.

    That's all I'll say Smiley Well, that, and "Cool! Methane!" Smiley