Remark 3.1.1.10. Let $f: X_{} \rightarrow Y_{}$ and $g: Y_{} \rightarrow Z_{}$ be Kan fibrations. Then the composite map $(g \circ f): X_{} \rightarrow Z_{}$ is a Kan fibration.
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Remark 3.1.1.10. Let $f: X_{} \rightarrow Y_{}$ and $g: Y_{} \rightarrow Z_{}$ be Kan fibrations. Then the composite map $(g \circ f): X_{} \rightarrow Z_{}$ is a Kan fibration.