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  1. Article

    Open Access

    The representation, quantification, and nature of genetic information

    Current genetics studies often refer to notions from information science. The purpose of this paper is to summarize and structure the different notions of information used in biology, as a step towards develop...

    Steinar Thorvaldsen, Peter Øhrstrøm, Ola Hössjer in Synthese (2024)

  2. No Access

    Chapter and Conference Paper

    Learning Analytics Based on Streamed Log Data from a Course in Logic

    This paper describes the analysis of streamed log data generated from the use of two specific e-learning tools in the context of a basic logic course taught and evaluated at Aalborg University, Denmark, during...

    Peter Øhrstrøm, Steinar Thorvaldsen, David Jakobsen in Innovative Technologies and Learning (2023)

  3. No Access

    Chapter

    Ockhamistic Inspiration in Modern Tense-Logic

    The logic and philosophy of William of Ockham (ca. 1285–1347) was a very important inspiration to the founding father of modern tense-logic, A. N. Prior (1914–69). This paper offers a discussion of four aspect...

    Peter Øhrstrøm, David Jakobsen in Ockhamism and Philosophy of Time (2022)

  4. No Access

    Chapter and Conference Paper

    The Use of E-learning Tools in a Basic Logic Course During the COVID-19 Lockdown

    This paper describes a study of the development and use of e-learning tools in the context of a basic logic course that was taught during the COVID-19 lockdown in 2021. The tools were used to compensate for le...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2021)

  5. No Access

    Chapter and Conference Paper

    The Use of E-learning Tools and Log Data in a Course on Basic Logic

    This paper is a study of the use of e-learning tools and log data in evaluating and further develo** a course on basic logic. It is a continuation of earlier studies involving practical experiments with stud...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2020)

  6. No Access

    Chapter and Conference Paper

    Teaching Propositional and Syllogistic Logic Using E-learning Tools

    This paper is a study of the use of E-learning tools in a course on basic logic. It is a continuation of earlier studies involving practical experiments with students of communication using the Syllog system f...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2019)

  7. No Access

    Article

    A critical discussion of Prior’s philosophical and tense-logical analysis of the ideas of indeterminism and human freedom

    This paper is a critical discussion of A.N. Prior’s contribution to the modern understanding of indeterminism and human freedom of choice. Prior suggested that these ideas should be conceived in terms of his t...

    Peter Øhrstrøm in Synthese (2019)

  8. No Access

    Reference Work Entry In depth

    Time in Philosophical Logic

    Peter Øhrstrøm, Per F. V. Hasle in Encyclopedia of Database Systems (2018)

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    Chapter and Conference Paper

    Teaching Syllogistics Using E-learning Tools

    This paper is a study of various strategies for teaching syllogistics as part of a course in basic logic. It is a continuation of earlier studies involving practical experiments with students of Communication ...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in E-Learning, E-Education, and Online Traini… (2017)

  10. Article

    Preface

    Jørgen Albretsen, Per Hasle, Peter Øhrstrøm in Synthese (2016)

  11. Article

    Open Access

    Prior’s paradigm for the study of time and its methodological motivation

    A. N. Prior’s writings should obviously be studied already for historical reasons. His inventions of modern temporal logic and hybrid logic are clearly important events in the history of logic. But the endurin...

    Per Hasle, Peter Øhrstrøm in Synthese (2016)

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    Book

  13. No Access

    Living Reference Work Entry In depth

    Time in Philosophical Logic

    Peter Øhrstrøm, Per F. V. Hasle in Encyclopedia of Database Systems

  14. No Access

    Chapter and Conference Paper

    The Interpretation of Branching Time Diagrams

    The use of branching time diagrams in tense logic was originally suggested in 1957 by Saul Kripke. During the following years, A.N. Prior (1914–1969) developed models with forwards branching and backwards lin...

    David Jakobsen, Peter Øhrstrøm in Graph-Based Representation and Reasoning (2016)

  15. No Access

    Chapter

    The Concept of Time: A Philosophical and Logical Perspective

    As pointed out by St. Augustine we cannot give a proper definition of time as such. Furthermore, conceiving time as a literal object would be highly problematic. It is, however, possible to establish a concept...

    Peter Øhrstrøm in Philosophy and Psychology of Time (2016)

  16. No Access

    Chapter and Conference Paper

    Teaching Syllogistics Through Gamification and Interactive Proofs

    This paper is a continuation of earlier studies involving experiments with Communication students using a Java-Applet running in the student’s browser, developed using the Prolog programming language as embodi...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Design for Teaching and Learning in a Netw… (2015)

  17. Chapter

    What William of Ockham and Luis de Molina Would have said to Nuel Belnap: A Discussion of Some Arguments Against “The Thin Red Line”

    According to A. N. Prior the use of temporal logic makes it possible to obtain a clear understanding of the consequences of accepting the doctrines of indeterminism and free choice. Nuel Belnap is one of the m...

    Peter Øhrstrøm in Nuel Belnap on Indeterminism and Free Action (2014)

  18. No Access

    Chapter and Conference Paper

    Teaching Syllogistics Using Conceptual Graphs

    It has for centuries been commonly believed that syllogistic reasoning is an essential part of human rationality. For this reason, Aristotelian syllogistics has since the rise of the European university been a...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Graph-Based Representation and Reasoning (2014)

  19. No Access

    Chapter and Conference Paper

    Classical Syllogisms in Logic Teaching

    This paper focuses on the challenges of introducing classical syllogisms in university courses in elementary logic and human reasoning. Using a program written in Prolog+CG, some empirical studies have been ca...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Conceptual Structures for STEM Research an… (2013)

  20. No Access

    Chapter and Conference Paper

    From Geocaching to Mobile Persuasive Learning – Motivating the Interest in the Life and Work of Danish Author Kaj Munk

    This paper presents some of the initial steps taken towards digital mediation of the cultural heritage related to Danish author Kaj Munk and the impact these steps have had on the ongoing research on persuasiv...

    Lasse Burri Gram-Hansen in Scaling up Learning for Sustained Impact (2013)

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