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English to Arabic translations [PRO] Science - Biology (-tech,-chem,micro-)
English term or phrase:substrate neutrality
A defining property of an algorithmic process is its "substrate neutrality": An algorithm does a job and returns a result whatever the input. Dennett concludes that natural selection, as an algorithm, is also substrate neutral. One can select between genes on chromosomes, codes in a computer, or ideas in a culture. As long as mutation, replication, and differential survival occur, any substrate can be selected. For instance, ideas can change (mutate), they can spread (replicate), and some can die out while others persist (differential survival), so we would seem to have a substrate suited for selection. Following Dawkins, Dennett claims that the substrate that gets selected in cultural evolution is the "meme," any memorable idea, jingle, or fashion that lasts long enough to get copied by another person.