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1. Top results related to logic programming examples

   • Logic programming in python

     Top Answer

     Answered Apr 10, 2020 · 6 votes

     I tried to develop something that uses prolog's syntax, approach and backtracking in python to solve the issue. I wrote pytholog library. I am sharing the answers to get comments and if there are better ways to do it.

     In pytholog I initiate a knowledge base and I query it.

     import pytholog as plfriends_kb = pl.KnowledgeBase("friends")friends_kb([ "has_lot_work(daniel, 8)", "has_lot_work(david, 3)", "stress(X, P) :- has_lot_work(X, P2), P is P2 / 100", "to_smoke(X, Prob) :- stress(X, P1), friends(Y, X), influences(Y, X, P2), smokes(Y), Prob is P1 + P2", "to_have_asthma(X, 0.3) :- smokes(X)", "to_have_asthma(X, Prob) :- to_smoke(X, P2), Prob is P2 * 0.25", "friends(X, Y) :- friend(X, Y)", "friends(X, Y) :- friend(Y, X)", "influences(X, Y, 0.4) :- friends(X, Y)", "friend(peter, david)", "friend(peter, rebecca)", "friend(daniel, rebecca)", "smokes(peter)", "smokes(rebecca)"])print(friends_kb.query(pl.Expr("to_smoke(Who, P)")))# [{'Who': 'daniel', 'P': 0.48000000000000004}, {'Who': 'david', 'P': 0.43000000000000005}]print(friends_kb.query(pl.Expr("to_have_asthma(Who, P)")))# [{'Who': 'peter', 'P': '0.3'}, {'Who': 'rebecca', 'P': '0.3'}, {'Who': 'daniel', 'P': 0.12000000000000001}, {'Who': 'david', 'P': 0.10750000000000001}]

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     1/5

   • logic programming - find synonyms of a given word

     Top Answer

     Answered Apr 09, 2021 · 1 votes

     In general, this just looks like you are interested in the transitive closure (of a graph)?

     For undirected graphs ("Being synonyms doesn’t depend on order"), this is related to Connected Components (and here we directly see some logic-relation as 2-SAT algorithms also exploit connected components).

     Maybe see also: Algowiki

     Basically:

     • preprocessing-time: calculate the transitive closure of your input
     • query-time -> synonym(a,b): check if edge (a,b) exists

     Or without preprocessing: just look for a path on-demand:

     • query-time -> synonym(a,b): check if there is a path between a, b BFS/DFS

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     2/5

   • Programming logic for income tax calculation

     Top Answer

     Answered Jan 21, 2012 · 2 votes

     function get_taxed_salary($salary){ if ($salary <= 150 ){ return $salary; }; if ($salary <= 650){ return ( 0.9 * $salary - 15.0 ); }; ...}

     later in your code you use that function like:

     $taxed_salary = get_taxed_salary($salary);-

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     3/5

   • Programming Logic/Psuedocode

     Top Answer

     Answered Jan 24, 2021 · 2 votes

     A simple method to generate some solutions is to pick a first row arbitrarily and then fill out each subsequent row by taking one minus the previous row. We can also do this with columns.

     It turns out that every valid matrix is generated by one of these two variants (note that the two perfect checkerboards are generated by both). The reason is that if the first row has adjacent zeros or adjacent ones, then the entries below it are forced, these force the rest of the row to be one minus the previous row, and in turn the rest of the rows are forced. Ditto columns. If neither the first row nor the first column has a duplicate, then we have one of the two checkerboards.

     Maximizing isn't too hard. For alternating rows, decide for each column whether the even rows or the odd rows are more valuable. For alternating columns, decide for each row whether the even columns or the odd columns are more valuable. Take the best of these two solutions.

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     4/5

   • Programming Logic: How to Check for Neighbors in a Grid?

     Top Answer

     Answered Sep 23, 2010 · 6 votes

     Here's a simple way of getting a neighbour position avoiding worrying about the sides:

     int leftX = (x - 1 + width) % width;int rightX = (x + 1) % width;int aboveY = (y - 1 + height) % height;int belowY = (y + 1) % height;-

     It's possibly not the most efficient way of doing it, but it keeps each calculation to a single, simple expression. That's assuming you want wrap-around, of course. If you don't, you'll have to do things conditionally:

     if (x > 0){ // Use x - 1}if (x < width - 1){ // Use x + 1}

     Other Answers

     Answered Sep 23, 2010 · 5 votes

     Basically you want to access the neighbor of a cell, while ensuring you are not out of the grid. You can try a simple algorithm:

     Provided that the center cell (where you are) is (x,y), and that you want to check the diagonals as well. Your grid is [0,W[ on X, and [0,H[ on Y (basically W x H, starting from (0,0))

     for (i=-1 ; i<2 ; i++) for (j=-1 ; j<2 ; j++) if (i !=0 && j != 0) { rx = x + i; ry = y + j; if (rx >= 0 && ry >= 0 && rx < W && ry < H) { // I'm in } else { // I'm out } }

     This can be optimized on (i,j), e.g. i starts from 0 if x is 0.

     If you don't want the diagonals, you only have to check (x-1,y) (x+1,y) (x,y-1) and (x,y+1),

     for (i=-1 ; i<2 ; i+=2) { // check (x+i, y) // check (x, y+i) }

     Other Answers

     Answered Sep 23, 2010 · 4 votes

     What's it a 2d array of? Perhaps some objects that have state such as "Occupied" and "Empty" or some such? In which case introdcuce a new state such as "Edge" and "Corner" and create the 2-D array 1 cell bigger in every direction. Then your neighbour checker can just use simple +/- logic and then the processing for the set of neighbours can choose to ignore any edges.

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     5/5

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2. www.geeksforgeeks.org › universal-logic-gatesUniversal Logic Gates - GeeksforGeeks

   www.geeksforgeeks.org › universal-logic-gates

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   7 hours ago · A logic gate is an active electronic component that uses one or more inputs to produce an output based on the bolean algebra each gate is designed to perform. Though there are various types of gates including AND, OR, NOT, NAND, NOR etc.. NAND and NOR gates are a little special. NAND gate and NOR gate can be termed as universal logic gates ...

3. www.linkedin.com › advice › 1Incorporate Logic in Creative Work: A How-To Guide - LinkedIn

   www.linkedin.com › advice › 1

   7 hours ago · Here's how you can navigate the challenges of incorporating logical reasoning into your creative work. Powered by AI and the LinkedIn community. 1. Embrace Duality. 2. Define Parameters. Be the ...

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5. www.logicinthewild.com › blog › logic-in-everydayLogic in Everyday Life: Beyond Spock's Sacrifice

   www.logicinthewild.com › blog › logic-in-everyday

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   7 hours ago · Exploring a concrete example of logic in everyday life, this post challenges the perception of logic as an emotionless, external tool. It highlights how logic protects us by guarding coherence in reasoning, rather than dictating surprising, non-human decisions.

6. discourse.julialang.org › t › how-to-use-observableHow to use Observable to Update Multiple Updates to a GLMakie ...

   discourse.julialang.org › t › how-to-use-observable

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   1 day ago · I’m trying to generate an animation with multiple observables as in the following code: using GLMakie # Define some sample data (replace with your actual data) x = range(0.0, 2.0, length=101) data1 = Observable(sin.(2*x)) data2 = Observable(cos.(3*x)) data3 = Observable(sin.(4*x)) # Define the animation function (replace with your logic) function update_data(frame) # Simulate some data ...

7. forum.arduino.cc › t › if-based-on-calculationIf-based on calculation return wrong boolean - Programming ...

   forum.arduino.cc › t › if-based-on-calculation

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   1 day ago · The general logic is like this : Emergency will send an message containing targeted priority lane to controller, then the controller will relay that messages to all other feeds. But the cycle must not break. So, for example, the target is NORTH, then SOUTH and EAST will have to haste their green duration. The maximum haste duration is 6 seconds ...

8. en.wikipedia.org › wiki › Karl_PopperKarl Popper - Wikipedia

   en.wikipedia.org › wiki › Karl_Popper

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   1 day ago · Karl Popper was born in Vienna (then in Austria-Hungary) in 1902 to upper-middle-class parents. All of Popper's grandparents were assimilated Jews; the Popper family converted to Lutheranism before he was born [13] [14] and so he received a Lutheran baptism. [15] [16] His father, Simon Siegmund Carl Popper (1856-1932), was a lawyer from Bohemia ...

9. avxgfx.com › apps › 611581-internet-download-managerInternet Download Manager 6.42 Build 11 Multilingual + Retail

   avxgfx.com › apps › 611581-internet-download-manager

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   7 hours ago · Free Download Internet Download Manager 6.42 Build 11 Multilingual + Retail | 23.2 Mb Internet Download Manager has a smart download logic accelerator that features intelligent dy