YES

(VAR )
(RULES
  not(not(n0())) -> n0()
  and(n0(),not(n0())) -> n0()
  and(not(n0()),n0()) -> n0()
  and(not(n0()),not(n0())) -> not(n0())
  or(n0(),not(n0())) -> not(n0())
  or(not(n0()),n0()) -> not(n0())
  or(not(n0()),not(n0())) -> not(n0())
  n1() -> not(n0())
  or(n0(),n0()) -> n0()
  and(n0(),n0()) -> n0()
)

(COMMENT
Termination is shown by LPO with precedence:

  or > and > n1 > n0 > not
)