[代數]請教coding theory

[cecilia0305 (Cecilia)]

Let C be a binary linear code.
Show that either every member of C has even weight or exactly
half the members of C have even weight.

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→ Vulpix      :weight mod 2 是一個 group homomorphism。
→ Vulpix      :    從 C 到 F_2 的^^^^^^^^^^^^^^^^^^^^^^^