1L

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Though Gregor Richards purported 2L as a Turing-complete language with only two operators, the nop operator (that is, anything that's not + or *) is so significant in 2L that it serves as a third. 1L is a family of attempts to reduce the set of symbols even further, producing a two-dimensional language that truly only has two symbols (the name being a perverted joke against 2L: since 2L has 3 commands, 1L has 2 commands).

Several versions of 1L have been proposed and implemented:

See also

  • 2L
  • Wierd distinguishes only between whitespace and non-whitespace symbols.