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Two easy ones.


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5 replies to this topic

#1 Ploper

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Posted 16 August 2007 - 11:37 PM

1. A man was walking along a path when a troll jumped out. The troll then said
"If you speak the truth, then I will kill you with a spell, if you speak a lie, then I will kill you with a Sword."
When the man said his sentance, the troll, honest to his word, let the man go.
What did he say.
---edit: accidentally wrote spell instead of sword---

2. A man was murdered, four suspects each have different claims.
Jones-Chris did it
Chris-Jackalynabaplyn did it
Robert-I am innocent
Jackalynabaplyn-Chris lies.

If only one speaks the truth, who did it?
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#2 cpotting

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Posted 17 August 2007 - 12:28 AM

1) "Hello"

2) [list]
[*]If Chris did it then Jones and Robert are telling the truth, so Chris didn't do it[/*:m:79192]
[*]If Jackalynabaplyn did it then Chris and Robert are telling the truth, so Jackalynabaplyn didn't do it
Leaving Robert as the only one. If he did it, then only Jackalynabaplyn is telling the truth.[/*:m:79192][list]
Jones-Chris did it
Chris-Jackalynabaplyn did it
Robert-I am innocent
Jackalynabaplyn-Chris lies.
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#3 Ploper

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Posted 17 August 2007 - 01:01 AM

2) [list]
[*]If Chris did it then Jones and Robert are telling the truth, so Chris didn't do it[/*:m:39800]
[*]If Jackalynabaplyn did it then Chris and Robert are telling the truth, so Jackalynabaplyn didn't do it
Leaving Robert as the only one. If he did it, then only Jackalynabaplyn is telling the truth.[/*:m:39800][list]
Jones-Chris did it
Chris-Jackalynabaplyn did it
Robert-I am innocent
Jackalynabaplyn-Chris lies.


Yep.

1) "Hello"


Nope, his one sentance was, you will kill me with a sword.
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#4 normdeplume

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Posted 17 August 2007 - 03:54 PM

'You will kill me with your sword.'

If he does get killed with the sword then it would not be a lie
If he gets killed by a spell then he has lied in the statement.
Thus in this paradox the Troll gets confused and explodes.
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#5 unreality

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Posted 17 August 2007 - 05:48 PM

Before he explodes he vents troll brain out of his ears its a lovely sight
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#6 bonanova

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Posted 21 August 2007 - 03:46 PM

He says, "I am lying." Which doesn't have a truth value.
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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell




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