Nuprl Lemma : real-det-sq-matrix-det
∀n:ℕ. ∀M:Top.  (|M| ~ |M|)
Proof
Definitions occuring in Statement : 
real-det: |M|, 
real-ring: real-ring(), 
nat: ℕ, 
top: Top, 
all: ∀x:A. B[x], 
sqequal: s ~ t, 
matrix-det: |M|
Definitions unfolded in proof : 
all: ∀x:A. B[x], 
real-det: |M|, 
matrix-det: |M|, 
real-ring: real-ring(), 
rng_minus: -r, 
pi2: snd(t), 
pi1: fst(t), 
matrix-ap: M[i,j], 
rng_prod: rng_prod, 
rng_lsum: Σ{r} x ∈ as. f[x], 
rng_plus: +r, 
rng_zero: 0, 
mon_itop: Π lb ≤ i < ub. E[i], 
mul_mon_of_rng: r↓xmn, 
grp_op: *, 
grp_id: e, 
rng_times: *, 
rng_one: 1, 
r-list-sum: r-list-sum(L), 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
nat: ℕ, 
so_lambda: λ2x.t[x], 
top: Top, 
so_apply: x[s]
Lemmas referenced : 
rprod-as-itop, 
istype-void, 
istype-top, 
istype-nat
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation_alt, 
cut, 
sqequalRule, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
natural_numberEquality, 
setElimination, 
rename, 
hypothesisEquality, 
hypothesis, 
isect_memberEquality_alt, 
voidElimination
Latex:
\mforall{}n:\mBbbN{}.  \mforall{}M:Top.    (|M|  \msim{}  |M|)
 Date html generated: 
2019_10_30-AM-08_21_27
 Last ObjectModification: 
2019_09_18-PM-05_55_32
Theory : reals
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