Step
*
of Lemma
bool-cardinality-le
No Annotations
|𝔹| ≤ 2
BY
{ (((InstLemma `list-cardinality-le` [⌜𝔹⌝; ⌜[tt; ff]⌝])⋅ THENM Auto) THENW Auto) }
1
.....antecedent..... 
∀x:𝔹. (x ∈ [tt; ff])
Latex:
Latex:
No  Annotations
|\mBbbB{}|  \mleq{}  2
By
Latex:
(((InstLemma  `list-cardinality-le`  [\mkleeneopen{}\mBbbB{}\mkleeneclose{};  \mkleeneopen{}[tt;  ff]\mkleeneclose{}])\mcdot{}  THENM  Auto)  THENW  Auto)
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