eval-nonexisting-pathr0 ∈ H, closed(H), ¬(∃ r1. path(x, r0, r1, H)) ⊦ ⟪eval#(r0, x, H; a?)⟫ (a? = none)eval
020eval-nonexisting-path-proofeval-nonexisting-path-proof-info
The proof is valid.
../../../../specs/elem-option/export/unit.xmlelem-option../../../../specs/elem-option/export/disj/longlemmainfo.xmldisj../../../../specs/functions/export/unit.xmlfunctions../../../../specs/functions/export/path-emp/longlemmainfo.xmlpath-emp../../../../../../lib/basic/specs/list-data/export/unit.xmllist-data../../../../../../lib/basic/specs/list-data/export/elim-list-c/longlemmainfo.xmlelim-list-c../../../../specs/functions/export/unit.xmlfunctions../../../../specs/functions/export/path-rec/longlemmainfo.xmlpath-rec../../../../../../lib/basic/specs/list/export/unit.xmllist../../../../../../lib/basic/specs/list/export/e-01/longlemmainfo.xmle-01../../../../specs/node/export/unit.xmlnode../../../../specs/node/export/elim/longlemmainfo.xmlelim../../../../../../lib/basic/specs/list/export/unit.xmllist../../../../../../lib/basic/specs/list/export/c/longlemmainfo.xmlc../../../../../../lib/basic/specs/list/export/unit.xmllist../../../../../../lib/basic/specs/list/export/len/longlemmainfo.xmllen../../../../../../lib/basic/specs/list/export/unit.xmllist../../../../../../lib/basic/specs/list/export/len-02/longlemmainfo.xmllen-02../../../../../../lib/basic/specs/list/export/unit.xmllist../../../../../../lib/basic/specs/list/export/a/longlemmainfo.xmla../../../../../../lib/basic/specs/nat-basic2/export/unit.xmlnat-basic2../../../../../../lib/basic/specs/nat-basic2/export/s/longlemmainfo.xmls../../../../../../lib/basic/specs/nat-basic1/export/unit.xmlnat-basic1../../../../../../lib/basic/specs/nat-basic1/export/ref-1/longlemmainfo.xmlref-1../../../../../../lib/basic/specs/nat-basic2/export/unit.xmlnat-basic2../../../../../../lib/basic/specs/nat-basic2/export/a/longlemmainfo.xmla../../../../../../lib/basic/specs/nat-basic2/export/unit.xmlnat-basic2../../../../../../lib/basic/specs/nat-basic2/export/c/longlemmainfo.xmlc../../../../specs/functions/export/unit.xmlfunctions../../../../specs/functions/export/path-first-in/longlemmainfo.xmlpath-first-in../../../../specs/functions/export/unit.xmlfunctions../../../../specs/functions/export/path-last-in/longlemmainfo.xmlpath-last-in../../../../specs/functions/export/unit.xmlfunctions../../../../specs/functions/export/closed-succ/longlemmainfo.xmlclosed-succ