Mark each of the following true or false. ___ a. Every permutation is a cycle. ___ b.
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Mark each of the following true or false.
___ a. Every permutation is a cycle.
___ b. Every cycle is a permutation.
___ c. The definition of even and odd permutations could have been given equally well before Theorem 9.15.
___ d. Every nontrivial subgroup H of S9 containing some odd permutation contains a transposition.
___ e. A5 has 120 elements.
___ f. Sn is not cyclic for any n ≥ 1.
___ g. A3 is a commutative group.
___ h. S7 is isomorphic to the subgroup of all those elements of S8 that leave the number 8 fixed.
___ i. S7 is isomorphic to the subgroup of all those elements of S8 that leave the number 5 fixed.
___ j. The odd permutations in S8 form a subgroup of S8.
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