我们可以从苏轼易学的立场、苏轼对易学史上卦爻结构观的考察以及对“卦合爻别”方法的实际运用，来理解苏轼在卦爻结构观上的“卦合爻别”说。
We may understand this theory from his standpoint , his examinations of the structures of the hexagrams and lines and the actual application of the theory to the interpretation in the history of the Yi-ology .
上爻