# LMD Async Tutoring

**URL:** <https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933>\
**Category:** Tutoring\
**Created:** [April 23, 2024, 12:05am UTC](https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933 "2024-04-23T00:05:39Z")\
**Posts on this page:** 1\
**Showing post:** 338

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**Author:** ![LMD](https://discuss.criticalfallibilism.com/user_avatar/discuss.criticalfallibilism.com/lmd/32/3213_2.png) [@LMD](https://discuss.criticalfallibilism.com/u/LMD)\
**Post date:** [July 3, 2024, 12:48am UTC](https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933/338 "2024-07-03T00:48:22Z")

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> [@Eternity Async Tutoring](https://discuss.criticalfallibilism.com/t/eternity-async-tutoring/1932/249):
>
> try making 3 input nand, nor and xor using operators that take 2 or fewer inputs. for each one, you can stop and give up after 15-30min if it’s hard.

With these operations as how they are usually used in English:

nand(x y z) = not(and(x and(y z)))  
nor(x y z) = not(or(x or(y z)))  
xor(x y z) = xor(x xor(y z))

~2mins

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