The Question and Answer section for Sylvia Plath: Poems is a great resource to ask questions, find answers, and discuss the novel.
Sorry, I am not familiar with this analysis.
"Mirror" is structured in two, nine-line stanzas. The stanzas are both symetrical and suggestive of opposition.
The mirror essentially becomes the lake. The mirror imagines itself as a lake. A woman looks into it, trying to discern who she really is by gazing at her reflection. Sometimes, the woman prefers to look at herself in candlelight or moonlight, but...