Reasoning by analogy is central to legal reasoning. It allows lawyers and judges to pay proper regard to previous decisions, while also allowing them to extend those decisions, to work …
When we reason analogically, we proceed from the observation that two or more things are similar in some respects to the conclusion that they’re probably similar in some other respect …
We’ve seen that scientists often proceed by inference to the best explanation: they infer that a hypothesis is probably true from the fact it would, if correct, best explain their …
Scientific reasoning is designed to generate reliable beliefs about the natural world. Not all reasoning is scientific nor should it be: (I’m allowed to be a Milwaukee Brewers fan even …
Wilhelm Von Osten, a German high school mathematics instructor, thought that people dramatically underestimated the intelligence and reasoning skills of animals. A man of science, he set out to test …
This week we’ve looked at the way logical and critical thinking bears on science. We saw examples of scientists proposing and testing hypotheses to explain the extinction of dinosaurs. We …
Scientific thinking faces much the same obstacles as logical and critical thinking in general. Science has developed institutional or structural responses to many of those obstacles. Scientific practice includes particular …
Inferences to the best explanation are common in scientific reasoning. We offer an inference to the best explanation when we conclude that the best available explanation of an observation or …
Our tests showed that if the asteroid hypothesis were true, it would explain our observations: the fossilised dinosaur bones in rock strata up until the end of the Cretaceous period, …
Theories and mere theories In everyday language, the term ‘theory’ is often used dismissively. When people say that an explanation or account is “only a theory” they are likely to …
In the next three weeks, we’ll be looking at some broad areas in which effective logical and critical thinking is important and which generate distinct, or specific, approaches to the …
This video shows you how to evaluate arguments in a step-by-step manner: Identify the conclusion and the premises. Put the argument in standard form. Decide if the argument is deductive …
A premise in an argument is irrelevant if the truth or falsity of the premise has no bearing whatsoever on the question of whether or not the conclusion is true. …
We now have all the ingredients to be able to tell when arguments are good or bad. And it’s now quite simple: good arguments are either cogent or sound, otherwise, …