equivalent-by-value-strict? -- vonuvoli Definition comparator;
Procedure variants:
((any) -> (true))
((any |2...|) -> (boolean))
vs:comparisons -- (vonuvoli comparisons positive);vs:core-procedures -- (vonuvoli core syntaxes);vs:comparisons* -- (vonuvoli comparisons);vs:core -- (vonuvoli core);vs:base -- (vonuvoli base);eqv?;