As you may have noticed, above you will find words for "A context-free grammar in which the right hand side of any production rule consists of either one terminal symbol or two non-terminal symbols (neither of which is the start symbol) or the epsilon (i.e. null string) symbol, but only if the left hand side is the start symbol. (Note: this is the full-fledged version, whereas the previous definition may be said to be defining Chomsky reduced form.)". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.