首楞嚴義疏注經 2.267

2.267

三、依理正破，二：一、約離物以推是見，三：一、推徵其體，四：一、令觀物象。

iii. Directly refuting based on reasoning, in two parts: a. inferring whether it is seeing by examining it apart from objects, in three parts: (a) examining and investigating its substance, in four parts: [i] having him observe physical appearances.