Newest logic Questions | Wyzant Ask An Expert

05/21/19

End of month calculations?

Just wondering if any know of an elegant solution for the following. If I have 30 June 2009 and I add a month I want it to go to 31 July 2009, not the 30 July 2009. This logic is based on the... more

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Logic Math Xor Boolean

05/20/19

What does Exclusive in XOR really mean?

Maybe this is just obvious to everyone but can someone explain where XOR (or Exclusive-OR) got its name from? What does the word ***Exclusive*** really mean? Not that it matters, but its just stuck... more

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Logic Php Angularjs Api

05/20/19

AngularJS and PHP backend?

Maybe it's not a real question, rather is's a *discussion*. I decided to learn angular, using a simple task, build a blog system. And i have a few questions. Lest imagine that the php app will... more

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Logic Math Philosophy Proofs

05/15/19

Intro to Logic- Use Natural Deduction to prove Dist E

Hi everyone, Can someone please help me. I have to use natural deduction to prove Dist E for both 'or' and 'and'These are the two questions: 1: Dist E-Ex(Px v Qx) premiseConclusion: ExPx v ExQx2:... more

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Logic Philosophy Belief

05/14/19

Why can't humans believe contradictions?

I'm reading something on the topic of **logic** and one of the exercises asked me to convince myself that a contradictory statement was true. I could not convince myself of this and now I am... more

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Logic Logical Operators

05/14/19

Are || and ! operators sufficient to make every possible logical expression?

The logical expression `( a && b )` *(both `a` and `b` have boolean values)* can be written like `!(!a || !b)`, for example. Doesn't this mean that `&&` is "unneccesary"? Does this... more

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Logic Php For Loop Loops

05/14/19

How to perform an action every 5 results?

How can I perform an action within a `for` loop every 5 results? Basically I'm just trying to emulate a table with 5 columns.

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Logic Philosophy Causation Quantum Physics

05/14/19

Can a lack of knowledge or understanding invalidate a positive claim?

Consider the **example** of causal determinism. It can be phrased in many ways, all with identical meaning:<br /> - The idea that "every event, including human cognition and behavior,... more

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Logic Algorithm Artificial Intelligence Agent

05/13/19

Predicate vs Functions in First order logic?

I have been so confused lately regarding difference between predicate and function in first order logic. My understanding so far is, Predicate is to show a comparison or showing a relation... more

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Logic C# .net

05/12/19

C# & operator clarification?

I saw a couple of questions here about the diference between && and & operators in C#, but I am still confused how it is used, and what outcome results in different situations. For... more

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Logic Algorithm

05/12/19

What is the logic for solving this sequence?

The sequence goes like this.. `7,8,77,78,87,88,777,778,787,788` and so on.. What can be the logic for finding the nth number of the sequence? I tried that by dividing it by 2 and then by 4 and... more

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Logic Math C++ Algorithm

05/07/19

Most efficient/elegant way to clip a number?

Given a real (n), a maximum value this real can be (upper), and a minimum value this real can be (lower), how can we most efficiently clip n, such that it remains between lower and upper? Of... more

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Logic Algebra 2 Maths

05/07/19

Please answer it as quick as possible🙏🙏

A number when successively divided by 6,5 & 3 leaves remainders of 4,4 and 2. Find the number.

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Logic Javascript Parsing

05/06/19

Why does javascript accept commas in if statements?

I stumbled across some javascript syntax that seemed like it should produce a parse error of some kind but doesn't: if (true, true) {console.log('splendid')} else {console.log('horrid')} //... more

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Logic Python Language Design

05/06/19

Why are default arguments evaluated at definition time in Python?

I had a very difficult time with understanding the root cause of a problem in an algorithm. Then, by simplifying the functions step by step I found out that evaluation of default arguments in... more

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Logic Calculus

05/03/19

Coloring Maps (Critical Thinking, Four Color Theorem)

When coloring a map of countries, we want to give countries different colors if they are touching each other. (If they are only touching at a single point, that doesn’t count.) • Draw a map that... more

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Logic

05/01/19

Use both the direct and indirect truth-table to show whether the above argument is valid.

Symbolize the following argument using the symbols for simple statements and logical operators discussed in chapter 6. If it is not the case that humans have free-will then God is to blame for the... more

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Logic Philosophy Fallacies

04/27/19

Logical fallacy: X is bad, Y is worse, thus X is not bad?

I have heard this type of argument too many times: You are criticising X using well researched facts and arguments. Your interlocutor, states that Y is much worse with equally well researched facts... more

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Logic Java Post Increment Pre Increment

04/24/19

Incrementor logic?

I'm trying to get deeper with post and pre incrementors but am a bit stuck with the following expression : public static void main(String[] args) { int i = 0; i = i+=(++i + (i+=2 + --i) -... more

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Logic Geometry

04/22/19

a ring of squares

A ring of N squares, the N is a multiple of 3."K" squares in the ring are painted of white, and the other squares are painted black. We have a SWITCH operator, that turns the color of 3 adjacent... more

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Logic Philosophy

04/21/19

Can you provide an example of solving a proof in Predicate Logic?

∃x(Gx • Px) ∨ ∃x(Sx • Ex). ∼∃x(Ex) ∴∃x(Px)

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Logic Philosophy

04/20/19

If there are infinite time lines with infinite versions of ourselves, does it make life ultimately meaningless?

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Logic Philosophy

04/20/19

Does perception precede reality; and is reality made up of our thoughts?

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Logic Philosophy Theism

04/20/19

Are there reasons for belief in God that atheists can at least respect?

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Logic Philosophy

04/20/19

What exactly is the essence of life, the very elixir of animated existence?

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End of month calculations?

What does Exclusive in XOR really mean?

AngularJS and PHP backend?

Intro to Logic- Use Natural Deduction to prove Dist E

Why can't humans believe contradictions?

Are || and ! operators sufficient to make every possible logical expression?

How to perform an action every 5 results?

Can a lack of knowledge or understanding invalidate a positive claim?

Predicate vs Functions in First order logic?

C# & operator clarification?

What is the logic for solving this sequence?

Most efficient/elegant way to clip a number?

Please answer it as quick as possible🙏🙏

Why does javascript accept commas in if statements?

Why are default arguments evaluated at definition time in Python?

Coloring Maps (Critical Thinking, Four Color Theorem)

Use both the direct and indirect truth-table to show whether the above argument is valid.

Logical fallacy: X is bad, Y is worse, thus X is not bad?

Incrementor logic?

a ring of squares

Can you provide an example of solving a proof in Predicate Logic?

If there are infinite time lines with infinite versions of ourselves, does it make life ultimately meaningless?

Does perception precede reality; and is reality made up of our thoughts?

Are there reasons for belief in God that atheists can at least respect?

What exactly is the essence of life, the very elixir of animated existence?

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