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I was referring to syntax.

Just in case clarification need be made here: I would have to conclude the the truth or falsehood of the two propositions can be reached. My question is are the propositions demonstrably true, or can it be be shown to be demonstrably false? Here are two citations attesting to the falsehood. Using a controlled environment: Who Ever Said No Two Snowflakes Were Alike? And from Guinness World Records: First identical snow crystals. This article is found at Forbes: Ask Ethan: Could You Have Two Perfectly Identical Snowflakes? drawing these two particular attested falsehoods into question.