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At: is member append disjunction lemma 1 1 1 1
1. T: Type
2. eq: {T}
3. x: T
4. L: T List
5. M: T List
6. x(eq) M

False x(eq) M
By: DNth 2 0
Generated subgoals:

None

About:
listassertuniverseorfalse

(18steps) PrintForm Definitions list 3 jlc Sections Support(jlc) Doc