Questions tagged [logic]

For use in questions based in reason, principality, and truth.

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25
votes
9answers
3k views

The green and the dragons

In several fantasy works they have the iconic dragons, giant reptile creatures and that commonly breathe fire. In some works these creatures were tamed and trained to serve as military weapons in wars,...
2
votes
1answer
179 views

Math on another planet [closed]

Mathematicians constantly create new axiom systems, and there are different concepts of information. My view is that mathematics gets where I am because mathematicians invented notations to write down ...
3
votes
7answers
346 views

Is this time travel scheme internally consistent?

I know there are similar questions, but not similar enough, and in fact, I don't remember seeing this kind of time travel in fiction. Before I start, it doesn't matter how the time machine works in ...
0
votes
1answer
102 views

Retconing God's omniscience and omnipotence with minimal changes? [closed]

So, the world is operated by daemons. Daemons are divine entities that govern various aspects of the world. Think of stuff like river gods, tasked with maintaining the water supply and filtering out ...
3
votes
3answers
267 views

How can I make my homunculus more efficient to prevent it from burning out?

A person is born with a certain amount of mana, or life-force, which steadily increases as they age. This mana allows our biological forms to function and is used to power spells in magic rituals. ...
2
votes
10answers
2k views

Worlds with different mathematics and logic [closed]

I want to visualize how worlds with different mathematics and logic could function, as opposed to worlds with different physical laws. For instance, I came up with the following examples. A world ...
9
votes
6answers
394 views

How can a time-resetter prove the range of their ability?

Consider the magic power of being able to 'reset time' in the style of Groundhog Day or The Edge of Tomorrow, ie revert one's environment and physical state to that of an earlier time while retaining ...
0
votes
2answers
139 views

Any new technologies that are ready to be discovered? [closed]

As an electronics engineer, (sort of), I understand how transistor gates (AND, OR, NAND, NOR, XOR, etc.) are combined to create all of our digital devices. The first computers were created in the mid-...
1
vote
2answers
480 views

How does a luck spell work? [closed]

Don has been a royal pain to Harry, who just so happens to be an aspiring magician, and decides to get some of his own back: he casts a curse of bad luck! Now whenever Donald rolls dice, draws cards, ...
2
votes
1answer
310 views

I'm designing a magic system and need some help [closed]

I have been trying to design a magic system for a while now that I'm going to base a project off. And I'm having a bit of trouble. I want the system to be applicable to the creation of an entire world ...
5
votes
9answers
1k views

What entity executes magical spells? [closed]

In a lot of stories to cast a spell one must say some words or draw symbols on the ground etc. Now it seems like logically, in order for such things to work something has to ever presently watch for ...
2
votes
1answer
159 views

Rules for Geological Structures [closed]

I'm trying to create a Random World Generator. To create this, I need to be able to generate geological structures like mountains, volcanoes, etc. What rules (i.e.: min 200 miles between 2 islands) ...
14
votes
6answers
896 views

What would a hand-powered medieval computer need to be feasible?

To clarify, I'm not talking about electronic computation. Instead, the question is as to what barriers would prevent a medieval society from building something in the vein of a Jacquard Loom, or ...
4
votes
3answers
665 views

What are some spells for a philosophical proof based magic system? [closed]

My world is this: Magic exists Magic is invoked by stating logical proofs If you can prove something, it becomes true A stronger proof over-rules a weaker one In a traditional magic system, to cast ...
1
vote
3answers
499 views

What if we discovered a real paradox? [closed]

On an elementary school in the US, there was a teacher who used to give the pupils math exercises he invented himself. One day, they calculated the cathetus of a right triangle and magically, they got ...
7
votes
3answers
982 views

What Kind Of Operators or Functions Should A Magic Language Have?

I am going into considerable detail designing a magic language for a game system. The world is a classical high fantasy type world, with most of the tropes that might be expected from old school D&...