. аE L; \xEL ха,хbє L . ає L; Vx€L bx, хb € L . аE L; VxEL ах,хbє L
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Each case below gives a recursive definition of LC {a, b}*. Give a simple nonrecursive definiton of L
in each case. Example: a e L; Vx €L ax €L can be defined as "The set of all non-empty strings that
do not contain b."

Transcribed Image Text:1. ає L; Vx€L ха,xbє L
2. ає L; Vx€ L bx, хb€ L
3. ae L; Vxe L ax,xbeL
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