Answer:
Here are some great ideas to mention in your introduction:
1. Start with a hook that grabs the reader's attention, such as a quote from Plato's "The Allegory of the Cave" or a thought-provoking question related to formalism and literary analysis.
2. Provide some background information on "The Allegory of the Cave" and its importance in philosophy and literature. You could also briefly explain the concept of formalism and how it is used to analyze literary texts.
3. Introduce your thesis statement and explain why you chose to analyze "The Allegory of the Cave" through the formalist lens. You can mention that the use of symbolism of light and darkness in the text is a key aspect that can be analyzed through formalism.
4. Outline the main points you will be discussing in your essay, such as the use of imagery, symbolism, and metaphor in the text, and how they contribute to the formalist analysis.
5. Conclude your introduction with a strong sentence that summarizes your main ideas and leaves the reader curious to learn more.