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How many times do we need and assumption ? [article]

Edward Hermann Haeusler
2014 arXiv   pre-print
In this article we present a class of formulas Fn, n in Nat, that need at least 2^n assumptions to be proved in a normal proof in Natural Deduction for purely implicational minimal propositional logic.  ...  Hence, the formulas Fn have exponentially sized proofs in cut-free Sequent Calculus and Tableaux. In fact 2^n is the lower-bound for normal proofs in ND, cut-free Sequent proofs and Tableaux.  ...  We want to thank Jefferson dos Santos for reading, pointing unclear explanations and helping improving the text.  ... 
arXiv:1405.0541v1 fatcat:axfliz3pnnd2rkj5ctgartxcke

Challenging assumptions about "moving online" in response to COVID-19, and some practical advice

Tim Fawns, Derek Jones, Gillian Aitken
2020 MedEdPublish  
COVID-19 is forcing many Universities to close for some time and programmes for medical, allied health, and nursing students are moving online.  ...  Based on our extensive collective experience teaching a variety of health professionals in clinical and academic settings, and of online learning, we want to question assumptions that seem apparent to  ...  We can use these experiences to think about how we might do better when things settle back into a routine.  ... 
doi:10.15694/mep.2020.000083.1 fatcat:mz533uaparbynonfusubd6csb4

RELIGION AS THE SINGLE FOUNDATION OF SCIENCE

Spyridon I. KAKOS, National Technical University of Athens, Greece
2020 International Multidisciplinary Scientific Conference on the Dialogue between Sciences & Arts Religion & Education  
Our need to understand the cosmos and our faith in us being able to do so, are the main prerequisites for conducting science; prerequisites that are derived from our belief in us being the sons of God  ...  This paper seeks to show how religion is the only foundation needed for the formulation of scientific theories, since it provides the core principles on which the building of exact sciences is based upon  ...  INTRODUCTION People see science as something different and many times at war with religion. Thus, many would be surprised to know that the foundations of science lie in religion per se.  ... 
doi:10.26520/mcdsare.2020.4.50-60 fatcat:bet2l4wsnjdhdgbel2hkt7yn2i

Succession planning for the board [chapter]

Ray Crofts
2021 Effective Directors  
What do we need to fulfil that purpose? • What are the reasons behind our current size and formulation? • When was the last time we brought a new member to the board?  ...  However, as many businesses seek to become more agile and find that the pace of change is accelerating, waiting for a board member to retire or exhaust their tenure can result in stale boards which lack  ...  • How do we classify the skills and attributes we need, and how often do we assess how well we fulfil those categories?  ... 
doi:10.4324/9781003201182-7 fatcat:rzjctqfoyjeaxnax7awrnncdh4

Meeting the Needs for (Excellent) Pharmacists

Marilyn K. Speedie
2003 American Journal of Pharmaceutical Education  
How many patients' drug-related needs are we leaving unmet, to the detriment of their health?  ...  How many pharmacists who might have had time to pursue an innovative patient care practice were forced to focus on the dispensing process?  ... 
doi:10.5688/aj670237 fatcat:nzmtrt64ibdmvhillk2qjkpkia

An Empire Built On Sand

Robert Kosara
2016 Proceedings of the Beyond Time and Errors on Novel Evaluation Methods for Visualization - BELIV '16  
Some of them are probably sound and will hold up to scrutiny. But some of them will not. We need to find out which is which and systematically build up a better foundation for our field.  ...  We often don't even realize how much we rely on the latter, and can't easily identify them because they have been so deeply incorporated into the fabric of our field.  ...  If we want people to remember what they have seen, what exactly do we mean by that? And how do we measure that?  ... 
doi:10.1145/2993901.2993909 dblp:conf/beliv/Kosara16 fatcat:uiepjl5usnep5gfc4uzjiu4dcu

Using Computational Modeling for Building Theory: A Double Edged Sword

Christopher Poile, Frank Safayeni
2016 Journal of Artificial Societies and Social Simulation  
The problem is that many other reasonable assumptions could also have been made, and many of those resulting models would also match the conceptual theory. This is the problem of equifinality.  ...  We o er recommendations and hope to open a dialog on other perspectives and solutions. . Figure : Simplified computational modeling research process.  ...  We were limited to one Corrector (Co) agent. If there were two, they would endlessly loop.  ... 
doi:10.18564/jasss.3137 fatcat:yrgxbgrzbngmdblbhz2lmv7nua

Five Assumptions of Dominant Thinking in International Development

Lawrence Haddad
2012 Development : Journal of the Society for International Development  
He challenges five mainstream assumptions about development thinking and assesses how they have emerged from these on-going stress tests.  ...  Lawrence Haddad analyzes two key global crises of the past few years: climate change and the global financial crisis.  ...  Acknowledgements I want to thank Naomi Hossein and SaraWalcott for comments on an earlier draft. All errors of fact and logic are mine. Notes  ... 
doi:10.1057/dev.2011.106 fatcat:6zyiz27jgbd5bjffja7xcq5eeq

Expert Judgement in Cost Estimating: Modelling the Reasoning Process

Christopher Rush, Rajkumar Roy
2001 Concurrent Engineering - Research and Applications  
These inferences are considered as those where many of the assumptions and expert judgements are made.  ...  Computerised cost models, in many ways, have reduced the need for EJ but by no means have they, or can they, replace it.  ...  Yes we do, we have to justify how we came to our cost estimate, it's part of our clearance procedure.  ... 
doi:10.1177/1063293x0100900404 fatcat:tdxrg6n6xfbblpkdzy3z4upalq

Work Redesign: Theory, Practice, and Possibility

Lotte Bailyn, Joyce K. Fletcher
2004 Social Science Research Network  
What we have learned is that it is difficult to keep them together, no matter how well we plan and how many times we talk about the fact that both sets of outcomes need to be achieved for the project to  ...  For example, many work practices with equity and effectiveness implications have to do with how time is used as a measure of commitment (see Case Example on next page). 1 As an aside it is interesting  ... 
doi:10.2139/ssrn.509762 fatcat:jpkma2g2yfer3hoytr6ratftwy

Taking 2.0 to the faculty: Why, who, and how

Sarah Faye Cohen
2008 College & research libraries news  
More importantly, What assumptions do we make about faculty and technology?  ...  With it comes changes to how we collaborate, learn, and teach. That change needs to be shared with all of our patrons, and particularly our faculties. Faculty play many roles at our institutions.  ... 
doi:10.5860/crln.69.8.8044 fatcat:2z4qmtvyencilbsw6674r4pkau

Teaching Lean Startup principles: An empirical study on assumption prioritization

Matthias Gutbrod, Jürgen Münch
2018 Workshop on Software-intensive Business  
Often, product teams need to make many assumptions (e.g., assumptions about future demands) that might not be true.  ...  We aim at raising the awareness for assumption thinking among the participants and teach them through group work how to prioritize assumptions.  ...  Another research avenue we are currently discussing is to develop software-based simulators so that participants can learn prioritization online and/or by using more than one prepared business scenario  ... 
dblp:conf/sibw/Gutbrod18 fatcat:kkhgzy7rw5frjbex4ri2iyvuv4

Lost Causal: Debunking Myths About Causal Analysis in Philanthropy

Jewlya Lynn, Sarah Stachowiak, Julia Coffman
2021 The Foundation Review  
It was a story about how media advocacy mattered and how the work had impact. By the time the meeting was done, people were tired and many were glad the evaluation had ended.  ...  How did we get here, where descriptive evaluation is the norm? We think it has something to do with how philanthropic strategy and focus has shifted in the sector.  ... 
doi:10.9707/1944-5660.1576 fatcat:w3nnp4auwnaj3muuzmeb5nrqhq

Structure, not Bias

Steven M. Holland
2017 Journal of Paleontology  
We need to do the same. We need to think less about bias as an end, and more about model specification as a way forward.  ...  That structure does not inhibit our analyses; it should guide how we do them. It is time for us to move on from bias and focus on structure.  ... 
doi:10.1017/jpa.2017.114 fatcat:ht42kv4snbfqrpgsyn5fzcf33a

Big Data Critical Thinking Skills for Analysts - Learning to Ask the Right Questions

Earl McKinney, Bethany Niese
2016 Americas Conference on Information Systems  
In addition to explaining these topics and their impacts on analysis, we provide example questions for each and suggested overall learning outcomes as well as need for further research.  ...  Here we suggest these critical thinking skills include understanding the limits of measurement and representation, the challenges of the uniqueness of information, and of underdeterminism, and the difficulty  ...  Why do we think this sign and object is appropriate, do we attribute this sign to that object out of tradition or culture perhaps?  ... 
dblp:conf/amcis/McKinneyN16 fatcat:w4xfchm7jnallj7sstpjz3my7e
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