Step
*
1
of Lemma
le-add-cancel2
1. c : ℤ
2. d : ℤ
3. t : ℤ
4. (c + t) ≤ (d + t)
⊢ c ≤ d
BY
{ (InstLemma `add_functionality_wrt_le` [⌜c + t⌝;⌜-t⌝;⌜d + t⌝;⌜-t⌝]⋅ THENA Auto) }
1
1. c : ℤ
2. d : ℤ
3. t : ℤ
4. (c + t) ≤ (d + t)
5. ((c + t) + (-t)) ≤ ((d + t) + (-t))
⊢ c ≤ d
Latex:
Latex:
1. c : \mBbbZ{}
2. d : \mBbbZ{}
3. t : \mBbbZ{}
4. (c + t) \mleq{} (d + t)
\mvdash{} c \mleq{} d
By
Latex:
(InstLemma `add\_functionality\_wrt\_le` [\mkleeneopen{}c + t\mkleeneclose{};\mkleeneopen{}-t\mkleeneclose{};\mkleeneopen{}d + t\mkleeneclose{};\mkleeneopen{}-t\mkleeneclose{}]\mcdot{} THENA Auto)
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