Of course , in Autosegmental Phonology the ban on crossing lines (however derived) prevents the interleaved dependencies represented in (3.1). (3.1) is a diagram of the AVP sequence in (3.2), in which the four paths are ordered without contmdiction since the only statement of precedence is that 1-<2-<3-<4. The question arises as to whether this is desirable or undesirable state of affairs .