You might be interested in the following posts on the subject from Daily Nous, an excellent philosophy blog:
“Why Progress Is Slower In Philosophy Than In Science”
“How Philosophy Makes Progress (guest post by Daniel Stoljar)”
“How Philosophy Makes Progress (guest post by Agnes Callard)”
“Whether Philosophical Questions Can Be Answered”
“Convergence as Progress in Philosophy”
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Less Wrong (text)
Less Wrong (link)
You might be interested in the following posts on the subject from Daily Nous, an excellent philosophy blog:
“Why Progress Is Slower In Philosophy Than In Science”
“How Philosophy Makes Progress (guest post by Daniel Stoljar)”
“How Philosophy Makes Progress (guest post by Agnes Callard)”
“Whether Philosophical Questions Can Be Answered”
“Convergence as Progress in Philosophy”