Final answer:
Postmodernism is the philosophy of education opposed to education practices that restrict learners from speaking their minds and discussing openly.
Step-by-step explanation:
The philosophy of education that is opposed to education practices where learners can't speak their minds fairly and discuss things openly is Postmodernism. Postmodernism emphasizes the importance of individual perspectives, diversity, and the deconstruction of power structures. It encourages learners to question and challenge the dominant discourse, allowing for open dialogue and the expression of diverse opinions.
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