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* Gödel's theorem.David A. Madore2024-01-081-3/+168
* More about first-order arithmetic.David A. Madore2024-01-081-4/+111
* An example proof in Heyting arithmetic.David A. Madore2024-01-081-5/+43
* Start writing about first-order arithmetic.David A. Madore2024-01-081-0/+71
* Curry-Howard and equality for first-order logic.David A. Madore2024-01-081-0/+98
* Try to improve explanations of what sort of quantifications are allowed.David A. Madore2024-01-081-23/+92
* Add minor clarifications here and there.David A. Madore2024-01-081-9/+17
* An exercise that will be used as a lemma for a later exercise.David A. Madore2024-01-081-0/+72
* Rework presentation of first-order logic.David A. Madore2024-01-071-103/+165
* Slightly rework slide on \exists versus sum types.David A. Madore2024-01-071-1/+19
* Continue reworking the introduction to quantifiers (maybe done?).David A. Madore2024-01-061-1/+156
* Rework the introduction to quantifiers (work in progress!).David A. Madore2024-01-061-23/+162
* An exercise about proving the Medvedev-validity of the Kreisel-Putnam formula.David A. Madore2024-01-051-0/+75
* An exercise about proving the irrealizability of the Kreisel-Putnam formula.David A. Madore2024-01-051-1/+119
* Another exercise on Kripke semantics.David A. Madore2024-01-051-4/+106
* Two more exercises on intuitionistic propositional calculus.David A. Madore2024-01-051-10/+145
* A simple exercise on Kripke semantics.David A. Madore2024-01-041-1/+79
* Exercise on comparison of double-negation elimination and excluded middle.David A. Madore2023-12-281-0/+243
* Forgotten braces.David A. Madore2023-12-281-2/+2
* Fix a number of typos / thinkos / notational blunders in an exercise.David A. Madore2023-12-281-4/+4
* Fix various mistakes and make some improvements noted during lecture on 2023-...David A. Madore2023-12-202-63/+85
* Change my mind about name of third part.David A. Madore2023-12-191-1/+1
* Say something about existentials versus sum types.David A. Madore2023-12-191-0/+42
* Add a slide on impredicativity.David A. Madore2023-12-191-0/+52
* Slight clarification.David A. Madore2023-12-181-3/+4
* The problem of the inhabitedness of the domain.David A. Madore2023-12-181-6/+57
* Example proof in first-order logic.David A. Madore2023-12-181-8/+86
* The rules of first-order logic.David A. Madore2023-12-171-0/+121
* Start talking about first-order logic.David A. Madore2023-12-171-2/+111
* Start a basic set of slides on higher order logic(s).David A. Madore2023-12-171-0/+227
* Give the proof in Coq as well.David A. Madore2023-12-161-0/+29
* More exercises in intiotionistic propositional logic.David A. Madore2023-12-161-1/+87
* Say something about the value restriction.David A. Madore2023-12-161-3/+37
* Briefly mention the problem of let-bound polymorphism.David A. Madore2023-12-161-0/+84
* Summarize properties of Hindley-Milner.David A. Madore2023-12-161-0/+46
* An example of the full H-M algorithm.David A. Madore2023-12-161-5/+58
* Description of the unification phase of Hindley-Milner.David A. Madore2023-12-161-1/+35
* Start describing the Hindley-Milner algorithm.David A. Madore2023-12-161-4/+113
* An exercise involving call/cc.David A. Madore2023-12-151-0/+42
* An exercise on Curry-Howard.David A. Madore2023-12-151-0/+109
* Decide that label strings should be in English.David A. Madore2023-12-151-14/+14
* Note the disjunction property for realizability semantics.David A. Madore2023-12-151-1/+8
* Try to make description of S,K,I combinators slightly less confusing.David A. Madore2023-12-151-8/+10
* Fix typing errors.David A. Madore2023-12-151-2/+2
* Typo.David A. Madore2023-12-151-1/+1
* Barely start writing about Hindley-Milner.David A. Madore2023-12-141-0/+42
* Something about Medvedev's logic of finite problems.David A. Madore2023-12-141-0/+68
* More on propositional realizability.David A. Madore2023-12-141-1/+249
* Examples in open sets semantics.David A. Madore2023-12-141-2/+54
* Semantics of open sets.David A. Madore2023-12-141-0/+61
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