We are probably the only universal problem solving biological life form on this planet right now (but not in the future), and Earth has possibly the only biological life in the visible universe, but it seems improbable that we are the only universal problem solving machines.
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Replying to @Plinz
I think lifeforms are common, but nature also loves equilibrium. Galaxy might be full of planets where dinosaurs still roam ;p
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Replying to @sd_marlow
Life forms require the spontaneous autogenesis of a fully functional evolvable self replicator, adjacent to a source of sustainably exploitable source of negentropy. That might require an enormous amount of dice rolls, perhaps more than there are planetary surfaces.
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Replying to @Plinz
Life = replication for sure. As for food source, it wouldn't be organic (because no pre-organic food group would exist yet). My point is the conditions that require intelligence for survival may be rare (because it's not an evolutionary need).
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Replying to @sd_marlow
Organic life is not non-mechanical life. The insanely complicated cell is just the roughly simplest fully autonomous and robustly self-replicating machine that can be built from molecules.
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Replying to @Plinz
Your OP implies that there is a planet where mechanical watches naturally evolved. I'm saying that formation of life is decoupled from problem solving mechanics. Even with tens of millions of years, dinosaurs never invented the wheel.
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Yes, I think it is quite likely that there are planets where a kind of mechanical watch spontaneously formed, but it will usually be just one, because mechanical watches don't have all the complicated machinery required for self-replication.
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