Define a set S recursively as follows:I. BASE: 1 ? S, 2 ?
Chapter 5, Problem 8E(choose chapter or problem)
Problem 8E
Define a set S recursively as follows:
I. BASE: 1 ∈ S, 2 ∈ S, 3 ∈ S, 4 ∈ S, 5 ∈ S, 6 ∈ S, 7 ∈ S, 8 ∈ S, 9 ∈ S
II. RECURSION: If s ∈ S and t ∈ S, then
a. s0 ∈ S b. st ∈ S
III. RESTRICTION: Nothing is in S other than objects defined in I and II above.
Use structural induction to prove that no string in S represents an integer with a leading zero.
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