PMC:3543929 / 2909-3285 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/3543929","sourcedb":"PMC","sourceid":"3543929","source_url":"https://www.ncbi.nlm.nih.gov/pmc/3543929","text":"By applying the three production rules by replacing an occurrence of the nonterminals on the left-hand side of the production rule with those that appear on the right-hand side, the string \"atattattatt\" can be derived from the non-terminal S by constantly applying a series of derivations: S → ABBB → atBBB → atAtBB → atattBB → atattAtB → atattattB → atattattAt → atattattatt.","tracks":[]}