Step
*
of Lemma
set_leq_iff_lt_or_eq
∀s:POSet{i}. ∀a,b:|s|. (a ≤ b
⇐⇒ (a <s b) ∨ (a = b ∈ |s|))
BY
{ ((RepD) THENA Auto) }
1
1. s : POSet{i}@i'
2. a : |s|@i
3. b : |s|@i
⊢ a ≤ b
⇐⇒ (a <s b) ∨ (a = b ∈ |s|)
Latex:
Latex:
\mforall{}s:POSet\{i\}. \mforall{}a,b:|s|. (a \mleq{} b \mLeftarrow{}{}\mRightarrow{} (a <s b) \mvee{} (a = b))
By
Latex:
((RepD) THENA Auto)
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