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GRAPH THEORY
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slotsbaseefdif
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Vertices and indexed edges
Metamath Proof Explorer
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Theorem
slotsbaseefdif
Description:
The slots
Base
and
.ef
are different.
(Contributed by
AV
, 21-Sep-2020)
Ref
Expression
Assertion
slotsbaseefdif
⊢
Base
ndx
≠
ef
⁡
ndx
Proof
Step
Hyp
Ref
Expression
1
basendxnn
⊢
Base
ndx
∈
ℕ
2
1
nnrei
⊢
Base
ndx
∈
ℝ
3
baseltedgf
⊢
Base
ndx
<
ef
⁡
ndx
4
2
3
ltneii
⊢
Base
ndx
≠
ef
⁡
ndx