Step
*
1
of Lemma
es-interval-one-one
.....assertion.....
1. es : EO
2. d : E
3. b : E
4. a : E
5. c : E
6. a ≤loc b
7. c ≤loc d
8. [a, b] = [c, d] ∈ (E List)
⊢ a = c ∈ E
BY
{ (((((InstLemma `hd-es-interval` [es; a; b])⋅ THENA Auto) THEN (InstLemma `hd-es-interval` [es; c; d])⋅) THENA Auto)
THEN (StrongHypSubst (-3) (-2))
THEN Auto) }
1
1. es : EO
2. d : E
3. b : E
4. a : E
5. c : E
6. a ≤loc b
7. c ≤loc d
8. [a, b] = [c, d] ∈ (E List)
9. hd([a, b]) = a ∈ E
10. hd([c, d]) = c ∈ E
11. z : E List
12. z = [c, d] ∈ (E List)
⊢ ||z|| ≥ 1
Latex:
Latex:
.....assertion.....
1. es : EO
2. d : E
3. b : E
4. a : E
5. c : E
6. a \mleq{}loc b
7. c \mleq{}loc d
8. [a, b] = [c, d]
\mvdash{} a = c
By
Latex:
(((((InstLemma `hd-es-interval` [es; a; b])\mcdot{} THENA Auto)
THEN (InstLemma `hd-es-interval` [es; c; d])\mcdot{}
)
THENA Auto
)
THEN (StrongHypSubst (-3) (-2))
THEN Auto)
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