2. eq: {T=
}3. L: T List
4. M: T List
5. L
(eq)M
x:{x:T| x(
eq) L }. x(eq) M
T:Type, eq:{T=}, L,M:T List. L(eq)M 
(x:{x:T| x(eq) L }. x(eq) M)
| 1 | 1. T: Type 2. eq: {T= }3. L: T List 4. M: T List 5. L (eq)M x:{x:T| x(eq) L }. x(eq) M |
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