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Gregb12

Untitled

Apr 11th, 2017
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BNF 0.21 KB | None | 0 0
  1. <01> ::= <|<=|=|<>|>=|>|in
  2. <02> ::= +|-|or
  3. <03> ::= /|div|mod|and
  4. <04> ::= not
  5.  
  6. <w1> ::= <w2>|<w1><01><w2>
  7. <w2> ::= <w3>|-<w3>|<w2><02><w3>
  8. <w3> ::= <w4>|<w3>|<03><w4>
  9. <w4> ::= <w>|<04><w>
  10. <w> ::= <atom>|(<w1>)
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