Step * 1 3 1 1 1 of Lemma free-DeMorgan-algebra-hom-unique


1. Type
2. eq EqDecider(T)
3. dm DeMorganAlgebra
4. eq2 EqDecider(Point(dm))
5. T ⟶ Point(dm)
6. Hom(free-DeMorgan-algebra(T;eq);dm)
7. ∀[a:Point(free-DeMorgan-algebra(T;eq))]. (g a) (g ¬(a)) ∈ Point(dm))
8. Hom(free-DeMorgan-algebra(T;eq);dm)
9. ∀[a:Point(free-DeMorgan-algebra(T;eq))]. (h a) (h ¬(a)) ∈ Point(dm))
10. ∀i:T. ((g <i>(h <i>) ∈ Point(dm))
11. ∀[g,h:Hom(free-dist-lattice(T T; union-deq(T;T;eq;eq));dm)].
      h ∈ Hom(free-dist-lattice(T T; union-deq(T;T;eq;eq));dm) 
      supposing ∀x:T T. ((g free-dl-inc(x)) (h free-dl-inc(x)) ∈ Point(dm))
12. T
⊢ (g <1-y>(h <1-y>) ∈ Point(dm)
BY
((InstHyp [⌜<y>⌝7⋅ THENA Auto) THEN (InstHyp [⌜<y>⌝9⋅ THENA Auto)) }

1
1. Type
2. eq EqDecider(T)
3. dm DeMorganAlgebra
4. eq2 EqDecider(Point(dm))
5. T ⟶ Point(dm)
6. Hom(free-DeMorgan-algebra(T;eq);dm)
7. ∀[a:Point(free-DeMorgan-algebra(T;eq))]. (g a) (g ¬(a)) ∈ Point(dm))
8. Hom(free-DeMorgan-algebra(T;eq);dm)
9. ∀[a:Point(free-DeMorgan-algebra(T;eq))]. (h a) (h ¬(a)) ∈ Point(dm))
10. ∀i:T. ((g <i>(h <i>) ∈ Point(dm))
11. ∀[g,h:Hom(free-dist-lattice(T T; union-deq(T;T;eq;eq));dm)].
      h ∈ Hom(free-dist-lattice(T T; union-deq(T;T;eq;eq));dm) 
      supposing ∀x:T T. ((g free-dl-inc(x)) (h free-dl-inc(x)) ∈ Point(dm))
12. T
13. ¬(g <y>(g ¬(<y>)) ∈ Point(dm)
14. ¬(h <y>(h ¬(<y>)) ∈ Point(dm)
⊢ (g <1-y>(h <1-y>) ∈ Point(dm)


Latex:


Latex:

1.  T  :  Type
2.  eq  :  EqDecider(T)
3.  dm  :  DeMorganAlgebra
4.  eq2  :  EqDecider(Point(dm))
5.  f  :  T  {}\mrightarrow{}  Point(dm)
6.  g  :  Hom(free-DeMorgan-algebra(T;eq);dm)
7.  \mforall{}[a:Point(free-DeMorgan-algebra(T;eq))].  (\mneg{}(g  a)  =  (g  \mneg{}(a)))
8.  h  :  Hom(free-DeMorgan-algebra(T;eq);dm)
9.  \mforall{}[a:Point(free-DeMorgan-algebra(T;eq))].  (\mneg{}(h  a)  =  (h  \mneg{}(a)))
10.  \mforall{}i:T.  ((g  <i>)  =  (h  <i>))
11.  \mforall{}[g,h:Hom(free-dist-lattice(T  +  T;  union-deq(T;T;eq;eq));dm)].
            g  =  h  supposing  \mforall{}x:T  +  T.  ((g  free-dl-inc(x))  =  (h  free-dl-inc(x)))
12.  y  :  T
\mvdash{}  (g  ə-y>)  =  (h  ə-y>)


By


Latex:
((InstHyp  [\mkleeneopen{}<y>\mkleeneclose{}]  7\mcdot{}  THENA  Auto)  THEN  (InstHyp  [\mkleeneopen{}<y>\mkleeneclose{}]  9\mcdot{}  THENA  Auto))




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