Universal 1463:

Original: In an overwhelming majority of languages, if some form denotes the metaperson ‘speaker + hearer(s)’ and/or ‘speaker + non-participant(s)’, it cannot include among its meanings the following metapersons:
(a) ‘speaker’;
(b) ‘hearer’ in singular;
(c) ‘hearer’ in non-singular;
(d) ‘hearer(s) + non-participant(s)’.
Standardized: IF a form denotes the metaperson ‘speaker + hearer(s)’ and/or ‘speaker + non-participant(s)’, THEN it cannot include among its meanings the following metapersons:
(a) ‘speaker’;
(b) ‘hearer’ in singular;
(c) ‘hearer’ in non-singular;
(d) ‘hearer(s) + non-participant(s)’.
Keywords: personal pronoun, person, 1st, speaker, hearer, non-participant, inclusive, exclusive, number, singular, non-singular
Domain: inflection, syntax, lexicon
Type: implication
Status: achronic
Quality: statistical
Basis: 400 world-wide distributed languages, see Sokolovskaja 1980: 98-99; Sokolovskaja surveyed systems of independent personal pronouns only.
Source: Sokolovskaja 1980: 93, U 25

Counterexamples: To (a): Kawi [=Old Javanese], Javanese (Sundic, W. Malayo-Polynesian), Nimboran (Trans-New Guinea);To (b): Haitian (Creole, French-based), Marathi (Indic, Indo-European);To (c) and (d): Haitian (Creole, French-based), Navajo (Athabaskan), Marathi (Indic, Indo-European) (Sokolovskaja 1980)

FP