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the claim

The order of letters in the alphabet has no known systematic rationale.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 5 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the order of letters in the alphabet has no known systematic rationale?

Unclear. Several items treat the order of letters in the alphabet as a systematic factor (letter-order effects in learning, letter frequency, and calls to reduce the alphabet to order), but none provides or evaluates a systematic rationale for why the letters are ordered as they are. The evidence only partially bears on the claim and does not settle whether any known rationale exists.

Verdict: PARTIAL LEAN · 0 sources for, 5 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 5
Alphabet Math.
1987
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Marilyn, B. (1987). Alphabet Math.. eric.ed.gov. https://eric.ed.gov/?id=EJ361855

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More against · 4
An Investigation of Four Hypotheses Concerning the Order by Which 4-Year-Old Children Learn the Alphabet Letters
2006
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M., J. L., Khara, P., B., B. R., & Alice, W. (2006). An Investigation of Four Hypotheses Concerning the Order by Which 4-Year-Old Children Learn the Alphabet Letters. eric.ed.gov. https://doi.org/10.1016/j.ecresq.2006.07.010

Letter Theory, Creating and describing mathematical axioms of a system for letters which creates most simplified language with provable sentences
2023
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Letter Theory, Creating and describing mathematical axioms of a system for letters which creates most simplified language with provable sentences. (2023). hal.science. https://hal.science/hal-04148090v1

A Preliminary Exploration of Uppercase Letter-Name Knowledge among Students with Significant Cognitive Disabilities
2018
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W., G. C. & A., E. K. (2018). A Preliminary Exploration of Uppercase Letter-Name Knowledge among Students with Significant Cognitive Disabilities. eric.ed.gov. https://doi.org/10.1007/s11145-017-9780-y

WANTS "Q" WITH "U." (Mataura Ensign 19-5-1914)
1914
Get citation
WANTS "Q" WITH "U." (Mataura Ensign 19-5-1914). (1914). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/ME19140519.2.17

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