Pearl's (yet another) contribution

Episode C10VL2: Counterfactual queries

You'll learn about necessary and sufficient causes through the lens of counterfactual reasoning in this episode of 𝗖𝗮𝘂𝘀𝗮𝗹𝗶𝘁𝘆 𝘄𝗶𝘁𝗵 𝗕𝗼𝗿𝗶𝘀. When we notice that exposure and outcome tend to occur together, a necessary cause refers to the idea that the lack of exposure will prevent the outcome. Conversely, when we notice that exposure and outcome tend to avoid each other, a sufficient cause refers to the idea that the presence of exposure will result in the outcome.

0:00 Intro
0:36 Counterfactual reasoning
3:20 Pearl's counterfactuals
5:39 Necessary and sufficient causes
8:38 Heart treatment example
11:55 Take-aways

Articles:
➟ Pearl 1999 pp. 106-109 doi.org/10.1023/A:1005233831499

Extra material for this class:
⇒ tiny.cc/C10L2

WEBSITE:
⇒ tinyurl.com/causeres1

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