เสียงที่ใช้ร่วมกัน

And I'm Ayush Bhat, PRN 38. I'll be helping Ajinkya out by showing you real examples and practical steps. Trust me — once you see how it works, it'll make perfect sense! Right! Think of it like this — imagine you ask someone to say a word, and they just stay silent. That silence is the epsilon. It's a valid but empty output. Now in grammars, this can create problems when we try to simplify things. Before we remove epsilon productions, we first need to identify the nullable variables. A variabl