derivation in theory of computation | TOC | Lec-52 | Bhanu Priya

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derivations : leftmost and rightmost in theory of computation
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Very Helpful vids mam, just one thing couldnt we do (E -> E +E -> E +a -> E - E +a -> E - b +a -> a -b +a ???

RandomBoy_o
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you are professional teacher, i teached fromyou more than my normal teacher.please keep it up😍🤩🤩

Odananegero
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thank you apii...its most helpful for me. take love

mdtamjidislam
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why we have started with E->E-E production rule

brainybits
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We know that, if we add something after negative sign, the next sign must be change (if positive(+) then that will turn to negative sign, and if negative that will turn to positive. But why we applied (E - E = E - (E + E) == E -E + E ) instead of (E - E = E - (E + E) == E -E - E ) ?
Thanks in advance.

istiakjaman