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Questions tagged [logic]

Questions pertaining to logical constructs

9
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10answers
3k views

Single word to replace “allowed to be missing” [on hold]

I want to express my knowledge about the presence of absence of something. My knowledge is divided into three different cases: I know that the thing doesn't exist. I don't know whether the thing ...
11
votes
10answers
2k views

Understanding the purported ambiguity in “Every boy didn’t run”

I am a com­puter sci­ence pro­fes­sional. I am read­ing the book Nat­u­ral Lan­guage Un­der­stand­ing by James Allen where he writes: “Every boy didn’t run” which is am­bigu­ous be­tween the read­...
-1
votes
0answers
9 views

During and after & Before and during prefixes

I'm well aware of the prefixes to design before and after a process: pre- and post-, and as I've learned from a few threads on this page, intra- is used to cover for the whole main event, as often is ...
0
votes
2answers
59 views

What is the logic behind “better suited” [closed]

I'm confused about the expression "better suited." I'm editing a piece that addresses how to write a particular type of article for a particular website. Logically, which is better: Structurally, ...
1
vote
6answers
158 views

Logical term for when an object is the same thing as itself

I'm trying to see if there's a word for this in English and having some problems making a definition in my program. I want to say that two objects are not only have identical properties/values but ...
0
votes
2answers
104 views

Which is right: “The cream cheese comes with the bagel” or “The bagel comes with the cream cheese”?

My friends and I got into an argument about which sentence is right: "The cream cheese comes with the bagel" or "The bagel comes with the cream cheese". What is the exact meaning of each of these ...
0
votes
1answer
246 views

'all the following are' OR 'the following are all' [duplicate]

Which of these is grammatically correct? "The statement is incorrect when the following are all true:" "The statement is incorrect when all the following are true:"
1
vote
3answers
56 views

Is there a word (or shorter/clearer phrase) for “incorrect implication/suggestion”? [closed]

Example sentences: I don't drink bleach very often. Why does one plus one equal three? The first sentence seems to suggest that I do drink bleach occasionally, even though from a strictly logically ...
1
vote
1answer
135 views

Word that serves the purpose of “xor?” [closed]

In programming we have the term "xor gate" for when one of two things is allowed, but not both. That is, P XOR Q is true if and only if exactly one of them is true, false otherwise. But English is ...
1
vote
1answer
201 views

Is 'nothing is impossible' and 'anything is possible' the same?

I wonder if these two sentences mean exactly the same, or is there any difference?
0
votes
1answer
33 views

Is the following sentence logically flawed?

Is the following sentence logically flawed? If you are redistributing something that includes actual 3D product files, the TurboSquid files must be part of a larger creation and not in an open ...
2
votes
2answers
80 views

Code to or for the lab?

I've been finding myself quite confused about a particular situation. So I know that people say a key to (physical place), such as ''do you have the key to the shed'' etc. However, I'm not sure what ...
0
votes
0answers
393 views

If it were what I thought it was/were

my question basically deals with the subjunctive mood, and if I should indeed use it in this specific situation: "It would have been interesting if it indeed were what I thought it were/was". ...
2
votes
2answers
113 views

What's this form of rhetoric called?

Let's suppose my father was a good moral teacher to me. I say: "I learned my virtuous morals from my father." This is a true statement, because he did teach me good morals. However the subsequent ...
0
votes
0answers
25 views

Do, does, did: why we use them

If we say: do you play football? The interrogative particle do doesn't have any meaning, isn't it? so why don't we ask you play football? In other words, what is the sense in using do? Of course, ...
0
votes
0answers
43 views

What gets modified? Confusions with “only” (basic categorical logic)

While learning basic categorical logic, I came across the following sentences: "All kitchens are places for eating" "All kitchens are only places for eating" "All kitchens are places only for eating" ...
0
votes
1answer
330 views

What is the difference between : “ I turned around and saw X” and “ I was turning around and saw X” ( Simple past vs past continous)

I would assume the difference is minor, in the former I finished the action of turning around and then saw X. In the latter I saw X while turning around. However one would certainly stop turning, when ...
0
votes
1answer
164 views

Which has higher priority, grammar or logic? [closed]

"Sunset on Mars is blue." Is this statement grammatically correct. Of course there is also the concern if accuracy/logic overrides grammar.
10
votes
3answers
2k views

Neither L nor S lives in either A or B, What is your inference regarding this sentence?

Can "Neither Nor" and "Either Or" appear in the same sentence? If yes, what is your inference regarding the sentence below? "Neither L nor S lives in either A or B" The answer my friend thinks is "...
2
votes
1answer
47 views

What's the word for using a general argument that upon inspection does not apply?

Examples, some are ridiculous: Someone refuses to buy a lab grown diamond because 'all diamonds are blood diamonds'. We cannot buy a sports car because 'the trunks of sports cars are too small', even ...
1
vote
0answers
180 views

Tenses logic understanding

Let's look at Present Simple. As far as I understand there is [almost] no difference between I play this game. I do play this game. The first question: can I form negative sentences this way?...
6
votes
4answers
434 views

Is there a word in English which expresses the idea of 'logicate' (which is not an English word)?

I am trying to translate the Greek word λογιξομαι, logitsomai,which is usually translated 'account' or 'reckon' which I do not think quite catch the meaning. In English, we have words for numerical ...
1
vote
1answer
85 views

how to say action x causes y and nothing but y

Background I once witnessed this conversation between two software engineers.. something like: eng1: I just gave you the api eng2: are the results deterministic when I enter key i? I'm not sure if ...
3
votes
2answers
862 views

What are some examples of paradoxical words?

The word "non-hyphenated" is a paradoxical word in that it is a word about words, but it does not describe itself. I have two questions: Is there a name for these types of paradoxical words? What ...
1
vote
2answers
226 views

Between each/every (logic analysis)

1) How to add space between every word when typing into Word? 2) There is a marked line between each person in this row. I believe usages of 'between each/every' in the contexts above are ...
0
votes
2answers
68 views

Please untangle the logic of this for me

Could someone please rephrase this for me, because every time I read it I get tangled up: According to the Second Circuit, there is no principle of administrative law which, absent a disagreement ...
6
votes
2answers
268 views

Translation of “He has 8 more quarters than dimes.” into symbols?

The sentence "He has 8 more quarters than dimes." is often mistranslated by students into the equation 8 + q = d. This is an extremely common error in the usage of English to express daily counting ...
4
votes
2answers
88 views

Is there a name for the set of possible ***direct*** answers to a question?

For example, the set for the question "did you go to the store?" would be {'yes','no'} but not include '7', and for "how old are you?" would be the set of positive integers but not include 'by car', ...
3
votes
3answers
507 views

Negative of When

I'm designing some programming code, and the language is an important piece of making it easy for readers of the design to understand the context and intent of the code. In particular, I'm looking ...
2
votes
1answer
777 views

“Periodically” – How to Use This?

So, I happen to be in the process of creating this research paper about a historic figure; I had used Google to search for a synonym of occasionally, and one of the words I stumbled across was “...
3
votes
1answer
603 views

I bought something two days ago - quick question about logic

I have a question to do with language and logic that my mind is having trouble with. Please, try to explain it to me. It is both an English problem and also a problem to do with my native language. ...
0
votes
2answers
773 views

Word for theories that cannot be disproven ?

Is there any word for something which cannot be disproven. E.g. I want to say: "Vedas were written around 10000 BC". This has some proof but not certain, but it cannot be disproven. What should be the ...
0
votes
1answer
57 views

Is there a good way to group logical statements in plain writing?

I wanted to write something in plain English that reflects a logical statement with slightly complex conditions. I went with something like "A person requires extra security if they're trying to ...
-1
votes
1answer
352 views

Propositional Logic Question [closed]

I am studying Logic now and I have some terminology I want to ask about: Proposition Compound proposition Statement Assertion Argument I know that a proposition is a simple declarative sentence ...
4
votes
4answers
329 views

Term for discrediting an entire argument based on discrediting a single point of it

I'm trying to think of the name of this fallacy, and it's driving me crazy. The typical situation is this: I make a claim, and list several examples supporting this claim. Someone then discredits one ...
3
votes
3answers
2k views

Opposite (sort of) of mutually exclusive?

Paint cannot be red and blue as these are mutually exclusive. It cannot be night and day as these are mutually exclusive. However unlike paint, which can be neither red nor green (for example: blue),...
0
votes
2answers
290 views

Verb for logical sum [duplicate]

If I perform the logical OR on two items, what am I doing? Ie. what's the verb for the logical sum?
2
votes
1answer
54 views

Do comparisons make up a special case for understanding either/or as a logical operator?

This question was prompted by a friend who is a fluent speaker of English but not a native one. Consider the following cases: I either eat the apple or the orange. I eat: apple XOR orange. I eat ...
1
vote
2answers
97 views

Using improbable premise(s) to reach a conclusion

Is there a name for a fallacy that involves using an improbable premise or premises to reach a desired conclusion? For example saying (exaggerated to better convey what is meant): "You should always ...
0
votes
0answers
63 views

Which fallacy is this?

It is fallacious to call Holocaust trivialisation antisemitism. If you have said something which makes you sound as if you think the Holocaust was a trivial thing, that does not mean you think it was ...
2
votes
1answer
216 views

Why would “to center around” be illogical? [duplicate]

I have seen the discussions of "to center on" vs "to center around", and usually the argument is that "to center X around Y" is illogical. The counter-argument is generally that it is an idiom and ...
4
votes
2answers
74 views

What's the name for when a layman thinks a technical task is easier than it actually is?

As a software engineer, my job is highly technical. A co-worker and I were remarking that frequently our non-technical co-workers will assume that we're not working if a task takes longer than they ...
1
vote
2answers
757 views

Is there a phrase for “assuming facts to be correct in a statement”?

There is a kind of error or fallacy I often see, which is close to "Begging the Question", but I understand that the true meaning of "Begging the Question" is closer to "circular reasoning". The ...
-1
votes
1answer
53 views

What are the different senses of “a”? [closed]

Suppose we know that "terrorism is a serious crime". And that "you have to report terrorism". Can we say that "you have to report a serious crime"? I think that the bulleted statement is true. ...
0
votes
1answer
1k views

what does “showing the fly the way out of the fly-bottle” literally means?

I saw this expression: "the aim of the activity is "to show the fly the way out of the fly-bottle". " (It is connected with this other expression: "I don't know my way about".) I grasped the ...
2
votes
2answers
283 views

How to express the fact that clauses in a compound logical statement are connected by “AND”?

Say, I have three independent logical clauses, a, b, and c, and they are connected into one logical statement (a∧b∧c). How do I express this succinctly? Can I say, "a, b, and c are connected ...
2
votes
5answers
124 views

Short human descriptions for logic's AND, OR and NOT

In a user interface, we are offering the user to combine searches using either AND, OR or NOT http://whatis.techtarget.com/definition/logic-gate-AND-OR-XOR-NOT-NAND-NOR-and-XNOR We have little ...
1
vote
3answers
164 views

Negators in sentences that switch the meaning of “and” and “or”

In a sense, this is a follow up to the question Use of “and” and “or” in lists when intent is to disallow all items. An answer states "Or has the meaning of and when it is inside a negated sentence.", ...
0
votes
3answers
456 views

Sentence Structure Violations

I am proofreading an essay by someone whose first language is not English. The following sentence I know, just by reading, is not right: All of the Algerians are still one of the individuals who ...
5
votes
4answers
1k views

Use of “and” and “or” in lists when intent is to dissallow all items

Sometimes it is unclear to me whether "or" or "and" should be used in a list. For example I have seen the following lease agreement: The dwelling may not be used for illegal activities: including ...