10 How do I use the "Barbara, Celarent, … etc." mnemonic? 2014-11-03T19:09:59.043

10 Why is the darapti syllogism invalid? 2015-02-20T12:00:34.007

8 Why bother with anything else besides Aristotle's syllogistic logic? 2021-02-25T06:11:38.350

6 Syllogistic Logic: Negation of a Categorical Proposition? 2014-09-28T01:59:39.307

6 "All men are mortal, Socrates is a man, therefore, Socrates is mortal" original quote 2016-05-24T16:25:17.797

6 Does this syllogism by Russell show that Aristotelian logic doesn't work? 2017-05-04T01:11:59.387

6 What is the nature of "validity" in deduction when dealing with conclusions unrelated to premises? 2018-03-05T20:25:45.583

5 Are "All A is B" and "If A then B" always logically equivalent? 2017-06-09T00:54:29.550

5 Is reduction to the absurdum to be considered a syllogism? 2017-10-19T10:32:01.570

4 What is a predicate according to Aristotle's Organon? 2015-04-25T19:11:40.443

4 help with answering the set of statements : All cats are lions, some lions are mice, all mice are giraffes 2016-03-18T21:41:35.397

4 Is there a way to generate the 24 valid syllogisms in term logic? 2016-12-02T23:44:25.107

4 Reverse Conclusion of Hypothetical Syllogism 2017-09-23T00:37:19.707

4 Is syllogism an inference rule? 2017-10-19T10:08:34.867

3 Are analogical middle terms sufficient for a valid demonstration? 2015-01-23T03:56:43.033

3 In modern logic, why does "All S is P" contradict "Some S is not P"? 2016-04-02T10:10:38.160

3 Only valid syllogisms are syllogisms? 2016-06-02T15:26:55.703

3 How many valid categorical syllogisms are there? 2017-12-05T10:27:47.327

3 Is Euclid's syllogistic approach to proving mathematical theorems logically insufficient? 2017-12-16T18:16:37.160

3 Does an implied premise mean a formal fallacy if used in deduction? 2018-04-07T08:54:26.277

3 Which logical fallacy is this: A is a C, B is a C, therefore A is a B? 2019-02-28T15:39:00.683

3 Could the link between virtues and pleasures and pains in the third chapter of Nicomachean Ethics' book II be considered a hypothetical syllogism? 2019-06-22T15:14:53.950

3 What are the differences between an argument and a syllogism? 2021-01-24T12:26:33.370

2 Representation of Categorical Syllogism in Symbolic Logic 2015-03-12T05:17:08.483

2 Particulars in a conditional syllogism 2015-10-09T00:14:37.413

2 Is "only A are B" the same as "all B are A"? 2015-11-03T17:52:23.957

2 How do affirmative premises assert class inclusion rather than class separation? 2015-12-29T17:52:56.900

2 Wendelin, Marcus Friedrich - Logicae Institutiones tironum adolescentum 2016-05-02T12:42:33.137

2 Syllogism Problem Assistance 2016-11-25T11:11:18.400

2 Is restatement true in syllogism? 2017-03-10T15:16:54.060

2 Is there a name for a fallacy wherein it is assumed either someone is lying or their assertion is true? 2017-05-16T16:38:05.263

2 Question about Syllogisms 2017-08-03T02:21:25.613

2 Real World Example to break the logic of this Syllogism 2017-08-24T19:10:02.210

2 Why do we need Aristotle's theory of predication? 2017-09-05T07:08:04.800

2 How can I explain the distribution of an O proposition's predicate? 2017-12-12T12:57:33.653

2 how do people pick the letters for syllogistic logic problems? 2018-07-24T17:48:12.560

2 Why does one negative premise suffice to imply a negative conclusion? 2018-08-05T22:40:04.303

2 Do I have to use the BARBARA, CELARENT... etc? 2019-01-16T16:11:34.463

2 "Syllogisms which produce understanding" 2019-02-03T11:42:54.640

2 Why is there an O type conclusion in modus celaront 2019-07-13T14:11:05.570

2 major/minor term of a syllogism when order of conclusion can be reversed 2019-07-27T17:21:45.047

1 In a Syllogism with an I Proposition as the conclusion, why must both premises be affirmative? 2015-12-28T21:26:59.160

1 Why can an affirmative conclusion never be drawn from negative premises? 2015-12-29T17:41:19.213

1 Why are these formulas not well-formed in syllogistic logic? 2016-04-02T15:42:24.943

1 Do premises in modus tollendo tollens arguments require greater certainty than others? 2016-06-04T02:42:40.390

1 Categorical syllogism question 2016-10-11T00:15:10.280

1 Why do singular propositions have a universal quantity? 2017-06-30T09:58:58.763

1 Does transposition of the premises preserve validity in categorical syllogisms? 2017-12-04T10:31:39.103

1 What is the nature of implication? 2018-06-29T15:56:59.227

1 Why isn't the method of listing Terms in syllogisms widespread? 2018-07-09T03:22:02.300

1 Are syllogisms independent of humans? 2018-08-06T09:44:20.050

1 Is the reiteration rule in formal logic begging the question? 2018-08-12T19:01:56.197

1 Modus Ponens as Substitute for Syllogism 2018-08-14T19:13:32.930

1 syllogism, truth-functional, or neither? 2018-08-29T04:21:03.573

1 Does Hume reject the possibility of is-ought syllogisms? 2018-09-16T18:27:34.563

1 Problem with existential import in syllogisms (Barbara) 2019-08-13T04:47:22.860

1 What's the difference between "All A are B" and "A is B"? 2019-09-27T11:11:14.063

1 What is it called when the conclusion of one syllogism is inserted as the minor premise of a second? 2020-02-17T18:29:22.507

1 Question of Validity in syllogisms of deductive argument 2020-12-08T11:15:26.510

1 Term Logic Paraconsistency -- Is it just a meta-level manifestation of existential import? 2021-01-03T04:51:52.283

1 Structure of a deductive argument 2021-01-10T18:24:02.953

0 Concerning the integrity of some logical syllogisms on moral subjectivism and ice-cream 2015-03-22T16:34:18.137

0 Was Socrates Greek? 2016-10-17T02:20:38.623

0 What is an example of a monadic predicate calculus argument that cannot be represented by the 19 classical Aristotelian syllogisms alone? 2018-09-26T21:03:18.457

0 Is this an example of Undistributed Middle? 2019-01-05T15:27:15.627

0 How to solve this natural deduction problem? 2019-07-27T22:08:42.823

0 Is this the correct way to phrase a logical argument with multiple syllogisms? 2020-01-27T14:33:49.237

0 Is this argument about the disjuncive syllogism valid and sound? 2020-02-17T08:33:18.057

0 What's wrong with this syllogism? 2020-07-01T23:57:36.120

0 How can we prove this argument is invalid? 2020-10-15T07:49:48.540

0 Non-equivalence of `i`-form and a claim of existence 2021-01-04T14:05:51.530

0 Does this argument disprove immaterialism? 2021-02-05T07:31:13.523

-3 Why does the Principle of Explosion not make Mathematical Logic inconsistent? 2019-09-11T04:10:29.683