Alfred Jules Ayer (October 29, 1910 - June 27, 1989) was a philosopher who helped popularise logical positivism in English-speaking countries in his books Language, Truth and Logic (1936) and The Problem of Knowledge (1956).
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... muscle that allows voluntary control over urination.
In the human female, the urethra is about 1-1.5 inches (25-38 mm) long and opens in the vulva between the ...