Nuprl Lemma : concat_conv_single_nil_lemma

concat([[]]) ~ []


Proof




Definitions occuring in Statement :  concat: concat(ll),  cons: [a / b],  nil: [],  sqequal: s ~ t
Definitions unfolded in proof :  concat: concat(ll),  all: ∀x:A. B[x],  member: t ∈ T,  top: Top,  append: as @ bs,  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3]
Lemmas referenced :  reduce_cons_lemma,  list_ind_nil_lemma,  reduce_nil_lemma
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  cut,  lemma_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  isect_memberEquality,  voidElimination,  voidEquality,  hypothesis

Latex:
concat([[]])  \msim{}  []



Date html generated: 2016_05_14-AM-06_31_55
Last ObjectModification: 2015_12_26-PM-00_37_59

Theory : list_0


Home Index