Exercise ‹26›:

CFG for {w∈{a,b,c}∗∣∣w∣a+∣w∣b=∣w∣c}\{ w \in \{a,b,c\}^* \mid |w|_a+|w|_b=|w|_c \}
Write a CFG generating the words over {a,b,c}\{a,b,c\} such that the number of occurrences of aa plus the number of occurrences de bb coincides with the number of occurrences of cc.
Authors: Guillem Godoy, Carles Creus / Documentation:
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