Nuprl Lemma : txpose_perm_sym

n:ℕ. ∀i,j:ℕn.  (txpose_perm(i;j) txpose_perm(j;i) ∈ Sym(n))


Proof




Definitions occuring in Statement :  txpose_perm: txpose_perm sym_grp: Sym(n) int_seg: {i..j-} nat: all: x:A. B[x] natural_number: $n equal: t ∈ T
Definitions unfolded in proof :  all: x:A. B[x] member: t ∈ T uall: [x:A]. B[x] nat: sym_grp: Sym(n) perm: Perm(T) prop: txpose_perm: txpose_perm squash: T true: True
Lemmas referenced :  int_seg_wf nat_wf inv_funs_wf perm_f_wf perm_b_wf mk_perm_wf squash_wf true_wf istype-universe swap_sym txpose_perm_wf perm_properties
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation_alt cut hypothesis inhabitedIsType hypothesisEquality universeIsType introduction extract_by_obid sqequalHypSubstitution isectElimination thin natural_numberEquality setElimination rename dependent_set_memberEquality_alt because_Cache dependent_functionElimination applyEquality lambdaEquality_alt imageElimination equalityTransitivity equalitySymmetry functionIsType universeEquality sqequalRule imageMemberEquality baseClosed applyLambdaEquality

Latex:
\mforall{}n:\mBbbN{}.  \mforall{}i,j:\mBbbN{}n.    (txpose\_perm(i;j)  =  txpose\_perm(j;i))



Date html generated: 2019_10_16-PM-00_59_29
Last ObjectModification: 2018_10_08-AM-09_26_34

Theory : perms_1


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