Theorem
nfns
≪
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index
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≫
theorem nfns {x: nat} (a: nat x): $ FN/ x a $ > $ FS/ x a $;
Step
Hyp
Ref
Expression
1
nseq
a1 = a -> a1 == a
2
hyp h
FN/ x a
3
1
,
2
nfslem
FS/ x a
Axiom use
axs_prop_calc
(
ax_1
,
ax_2
,
ax_3
,
ax_mp
,
itru
)
,
axs_pred_calc
(
ax_gen
,
ax_4
,
ax_5
,
ax_6
,
ax_7
,
ax_10
,
ax_11
,
ax_12
)
,
axs_set
(
elab
,
ax_8
)
,
axs_the
(
theid
,
the0
)
,
axs_peano
(
peano2
,
addeq
,
muleq
)