Nuprl Definition : rel-path-between 11,40

rel-path-between(T;R;x;y;L) == rel-path(R;L) & (0 < ||L||) & x = hd(L) & y = last(L
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clarification:

rel-path-between(T;R;x;y;L) == rel-path(R;L) & (0 < ||L||) & x = hd(L T & y = last(L T 
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Definitionsrel-path(R;L), a < b, #$n, ||as||, P & Q, hd(l), s = t, last(L)
FDL editor aliasesrel-path-between

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