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Add provability with open formulas

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Stale
Tech stack
tex
Domain
documentation

Research direction

Locate the incompleteness section and the fol/seq material in the textbook source, then read the surrounding discussion of proofs with open formulas. Add an explanation of what open formulas mean in LK, and confirm that the explanation fits the existing treatment and renders correctly.

Written by the indexing model from the issue text.

Description

The incompleteness part has a lot of poofs with open formulas. Need to add explanation of what that means in LK to fol/seq

Dominant language
TeX
Stars
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Forks
289
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