Question #1186

How do we know that Russians are able to distinguish between more than two shades of blue?

Started by Matt12 · started 2022-10-14 19:52 · last activity 2022-10-16 23:20 · 1 reply

How do we know that Russians are able to distinguish between more than two shades of blue?

Replies

  1. Emil-Kunkin · 2022-10-16 23:20

    Hi, this is not a must be true. Note that in the question, we are asked which of the following, IF TRUE, would weaken.

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