# \#program-level

**URL:** http://discourse.iapct.org/tag/program-level/29.md

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## [Propositional logic and PCT](http://discourse.iapct.org/t/propositional-logic-and-pct/15946)

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**Author:** [@hugocristo](http://discourse.iapct.org/u/hugocristo)\
**Replies:** 44\
**Last updated:** [August 13, 2022, 1:33pm UTC](http://discourse.iapct.org/t/propositional-logic-and-pct/15946 "2022-08-13T13:33:04Z")

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Hello everyone! First time poster here. I’ve been searching for PCT-oriented propositional logic empirical studies. I found this thread at the CSGnet Archive, where Bill argued propositional logic operates at the 9th l…