Isolate is a logic

Logic

In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

-based line-placement puzzle

Puzzle

A puzzle is a problem or enigma that tests the ingenuity of the solver. In a basic puzzle, one is intended to put together pieces in a logical way in order to come up with the desired solution...

. The puzzler is provided with a grid containing walls, dots and a set of area sizes. A solved grid will contain areas of the given sizes containing two dots each.

The puzzle was invented by an English puzzle enthusiast, Laurence May, in 2007. It is produced by Vexus Puzzle Design and appears daily along with Sudoku

Sudoku

is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9...

 and Kakuro in the Daily Mail

Daily Mail

The Daily Mail is a British daily middle-market tabloid newspaper owned by the Daily Mail and General Trust. First published in 1896 by Lord Northcliffe, it is the United Kingdom's second biggest-selling daily newspaper after The Sun. Its sister paper The Mail on Sunday was launched in 1982...

.

Rules

The Isolate grid must be partitioned into areas so that each area contains two dotted squares. Area sizes must match those shown below the grid and each + sign must be linked to at least two walls.

See also

• Logic puzzle
  Logic puzzle
  A logic puzzle is a puzzle deriving from the mathematics field of deduction.-History:The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better known under his pen name Lewis Carroll, the author of Alice's Adventures in Wonderland...
  
  
• Sudoku
  Sudoku
  is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9...
  
  
• Kakuro
• Nonogram (aka Paint by numbers, O'ekaki)
• Futoshiki
  Futoshiki
  or Unequal is a logic puzzle game from Japan. Its name means "inequality". It is also spelled hutosiki .The puzzle is played on a square grid, such as 5 x 5. The objective is to place the numbers 1 to 5 such that each row, and column contains each of the digits 1 to 5. Some digits may be given...
  
  
• KenKen
  KenKen
  KenKen or KenDoku is a style of arithmetic and logic puzzle invented in 2004 by the Japanese math teacher Tetsuya Miyamoto, an innovator who says he practices "the art of teaching without teaching". He intends the puzzles as an instruction-free method of training the brain...
  
  
• Navigrid
  Navigrid
  Navigrid is a logic-based number-placement puzzle. The puzzler is provided with a set of movements which must be used to move between the numbers 1 to 9 in order starting with the number 1. A solved grid will contain each of the numbers 1 to 9...
  
  

External links

• Vexus Puzzle Design