Nuprl Lemma : matrix-transpose-twice
∀[n,m:ℤ]. ∀[r:RngSig]. ∀[M:Matrix(n;m;r)].  (M'' = M ∈ Matrix(n;m;r))
Proof
Definitions occuring in Statement : 
matrix-transpose: M'
, 
matrix: Matrix(n;m;r)
, 
uall: ∀[x:A]. B[x]
, 
int: ℤ
, 
equal: s = t ∈ T
, 
rng_sig: RngSig
Definitions unfolded in proof : 
mx: matrix(M[x; y])
, 
matrix-ap: M[i,j]
, 
matrix-transpose: M'
, 
matrix: Matrix(n;m;r)
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
rng_sig_wf, 
matrix_wf, 
int_seg_wf, 
matrix-ap_wf
Rules used in proof : 
intEquality, 
because_Cache, 
axiomEquality, 
isect_memberEquality, 
natural_numberEquality, 
hypothesis, 
hypothesisEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
sqequalRule, 
functionExtensionality, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[n,m:\mBbbZ{}].  \mforall{}[r:RngSig].  \mforall{}[M:Matrix(n;m;r)].    (M''  =  M)
Date html generated:
2018_05_21-PM-09_34_15
Last ObjectModification:
2017_12_13-PM-03_10_34
Theory : matrices
Home
Index