Sentence:  To provide against this <WSD>inconvenient</WSD>, when the Stoikes were demanded whence the election of two indifferent things commeth into our soule...they answer, that this motion of the soule is extraorainarie and irregular comming into us by a strange, accidentall and casuall impulsion. 
Meaning of the word marked with <WSD> tags:  An inconsistency, an incongruity.