Asimov's Third Law: "A robot must protect its own existence."

Corollary: "Production lines change. When you are old enough, the only source of replacement parts are other old robots."

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Fiction has to be plausible. Reality is under no such constraint.

Hahahahahahaha!

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Rovers forever! - ToSeek
"Carl Sagan sent a message to ET,
Neil Armstrong walked in the Sea of Tranquility
Steve Squyers built Spirit and Opportunity
Dan Haylen upchucked in zero gravity." -Brent Simon, The Space Camp Song
'Evolution and science are one thing, but you don’t mess with Yoko Ono. Everybody knows that. ' - 386sx

The HLecter brand Scavenge-bot, it slices, it dices, never shop for spare parts again!

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Maybe it's time to send R. Daneel Olivaw to look for Bigweld?

The complete third law: A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.

Simple solution: A human orders it to stop scavenging, and takes out its power supply.

Fred

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"For shame, gentlemen, pack your evidence a little better against another time."
-- John Dryden, "The Vindication of The Duke of Guise" 1684

Corollary to the corollary: Hence, when robots go out of production, they must all be shipped off to giant gladiator arenas where they will fight each other thunderdome-style for the possibility to stay running a little longer.
Wait, I think they already did that in AI.

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[Foot mouth in put]
Si tacuisses, philosophus mansisses.

Any idea what the Fourth Law of Robotics should be?

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The Devil offered me power. I told him I preferred aperture.

All robots shall obey the First, Second and Third Laws.

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Rovers forever! - ToSeek
"Carl Sagan sent a message to ET,
Neil Armstrong walked in the Sea of Tranquility
Steve Squyers built Spirit and Opportunity
Dan Haylen upchucked in zero gravity." -Brent Simon, The Space Camp Song
'Evolution and science are one thing, but you don’t mess with Yoko Ono. Everybody knows that. ' - 386sx

I have heard of the Zeroth law, "No robot may cause harm, through action or inaction, to the whole of humanity."
*shudder*

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Beware the law of unintended consequences.

While not actually a robot, Colossus apparently took the "Zeroth law" to heart.

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"That's Not Blight. It's New Jersey" - The Wall Street Journal

I remember that Asimov invented that in a robot story (invented by the robots themselves), "That Thou Art Mindful of Him!"

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The Devil offered me power. I told him I preferred aperture.

Wait, isn't the Zeroth Law "A robot shall know it is a robot" ? So that a robot won't think it's a person and the Laws don't apply to it? Because I heard that somewhere.

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Rovers forever! - ToSeek
"Carl Sagan sent a message to ET,
Neil Armstrong walked in the Sea of Tranquility
Steve Squyers built Spirit and Opportunity
Dan Haylen upchucked in zero gravity." -Brent Simon, The Space Camp Song
'Evolution and science are one thing, but you don’t mess with Yoko Ono. Everybody knows that. ' - 386sx

Asimov's Zeroth Law was the one mentioned above about humanity as a whole.

The 0th, 4th, and 5th laws are mentioned in the Wikipedia article on Three laws of robotics.

Fred

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"For shame, gentlemen, pack your evidence a little better against another time."
-- John Dryden, "The Vindication of The Duke of Guise" 1684

And the 6th Law states that robots shall always cut taxes.

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The Devil offered me power. I told him I preferred aperture.

And can be maddeningly stubborn when shown that it isn't working.

Ghost in the Shell: Innocence interprets the Third law as "A robot shall protect its own existence and never cause a human harm". Followed by the corollary "If a robot has caused a human harm, it shall destroy itself".

Weird.

__________________
[Foot mouth in put]
Si tacuisses, philosophus mansisses.

Law 4: One of the first three laws must be creatively interpreted periodically to keep the books selling.

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Life is like a box of chocolates. All of your choices are bad for you.

Law 5: Any attempts by African American candy rappers/actors to create an 'adaption' of said books shall be met with extreme prejudice.

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Law 6 - There is NO law 6.
Law 7 - No Poofter robots.

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At night the stars put on a show for free (Carole King)

Burke's Law: Never call your captain unless it's murder

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The Devil offered me power. I told him I preferred aperture.