2 in notes

mai'u'e _VUhU3 experimental cmavo

mekso unary operator: for permutation X₁ as input, the output is (-1)^N(X₁₎, where N(s) is the number of inversions in permutation s.

See also: "mai'u".

• jbovlaste

In notes:

mai'u (exp!)

unary mekso operator: signum function

mai'u'ei (exp!)

mekso unary operator: Levi-Civita symbol; for input n-tuple (a_{1, a} ... , a_n), where n is a strictly positive integer, the output is \varepsilon_a, where \varepsilon is the Levi-Civita symbol under the convention of mapping (1, 2, ..., n) to 1.