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* An exercise on computing a large number.David A. Madore2024-01-191-0/+130
* Fix wrong environment.David A. Madore2024-01-191-2/+2
* Fix small mistakes noted during lecture on 2024-01-17.David A. Madore2024-01-171-3/+3
* A tedious exercise in using Peano's axioms.David A. Madore2024-01-121-0/+53
* Be more consistent about abbreviating logical rules.David A. Madore2024-01-121-2/+2
* Two exercises on Löb's theorem.David A. Madore2024-01-121-0/+146
* An easy exercise on first-order logic.David A. Madore2024-01-121-0/+53
* An exercise on Girard's system F.David A. Madore2024-01-121-2/+209
* Exercise on the realizability of Plisko's formula.David A. Madore2024-01-111-1/+90
* Dragon riddle.David A. Madore2024-01-111-1/+108
* An exercise on refuting Tseitin's formula using open sets in the plane.David A. Madore2024-01-111-0/+153
* An exercise on Kleene's recursion theorem with a slight "paradox".David A. Madore2024-01-111-0/+55
* Fix a typo and make small improvement noted during lecture on 2024-01-09.David A. Madore2024-01-091-5/+5
* The set of theorems is not computable.David A. Madore2024-01-091-5/+37
* More around Gödel and whatnot.David A. Madore2024-01-091-13/+159
* 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
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