*:Let X and Y be two TA spaces, then XxY is.12 (1) T2 but not necessarily T3 O T, but not necessarily T, O not necessari
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*:Let X and Y be two TA spaces, then XxY is.12 (1) T2 but not necessarily T3 O T, but not necessarily T, O not necessari
*:Let X and Y be two TA spaces, then XxY is.12 (1) T2 but not necessarily T3 O T, but not necessarily T, O not necessarily T, O T3 but not necessarily TA O