Glossary of basic terms: Difference between revisions

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{{Glossary}}
add breeder, conduit and Methuselah
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{{Glossary}}
{{Glossary}}
This is intended to provide very short definitions of a small set of basic terms used in discussing Life and Life patterns.
This page provides very short definitions of a small set of basic terms used in discussing [[Life]] and Life [[pattern]]s.


== Types of patterns ==
== Types of patterns ==
; [[still life]] : a pattern that does not change from one generation to the next
 
; [[still life]] : a non-empty pattern that does not change from one generation to the next
; [[eater]] : any still life that has the ability to interact with certain patterns without suffering any permanent damage
; [[oscillator]] : a pattern that repeats itself after a fixed number of generations (known as its [[period]])
; [[oscillator]] : a pattern that repeats itself after a fixed number of generations (known as its [[period]])
; [[eater]] : any still life that has the ability to interact with certain patterns without suffering any permanent damage
; [[spaceship]] : a finite pattern that moves across the grid of cells and repeats itself after a fixed number of generations
; [[spaceship]] : a finite pattern that moves across the grid of cells
; [[puffer]] : a pattern that moves like a spaceship, except that it leaves [[debris]] behind
; [[puffer]] : a pattern that moves like a spaceship, except that it leaves debris behind
; [[rake]] : a puffer whose debris consists of spaceships
; [[rake]] : a puffer whose debris consists of spaceships
; [[gun]] : a stationary pattern that repeatedly emits spaceships (or rakes) forever
; [[gun]] : a stationary pattern that repeatedly emits spaceships (or rakes) forever
; [[breeder]] : a pattern that exhibits unbounded [[quadratic growth]]
; [[conduit]] : an arrangement of still lives and/or oscillators that move an active object to another location without suffering any permanent damage
; [[Methuselah]] : a pattern that takes a large number of [[generation]]s to stabilize (known as its lifespan) and becomes much larger than its initial configuration at some point during its evolution

Revision as of 13:11, 21 April 2020

This page provides very short definitions of a small set of basic terms used in discussing Life and Life patterns.

Types of patterns

still life
a non-empty pattern that does not change from one generation to the next
eater
any still life that has the ability to interact with certain patterns without suffering any permanent damage
oscillator
a pattern that repeats itself after a fixed number of generations (known as its period)
spaceship
a finite pattern that moves across the grid of cells and repeats itself after a fixed number of generations
puffer
a pattern that moves like a spaceship, except that it leaves debris behind
rake
a puffer whose debris consists of spaceships
gun
a stationary pattern that repeatedly emits spaceships (or rakes) forever
breeder
a pattern that exhibits unbounded quadratic growth
conduit
an arrangement of still lives and/or oscillators that move an active object to another location without suffering any permanent damage
Methuselah
a pattern that takes a large number of generations to stabilize (known as its lifespan) and becomes much larger than its initial configuration at some point during its evolution