mb nat Sections MarkB generic Doc
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Def P  Q == P+Q

is mentioned by

Thm* R,R2:(TTProp).
Thm* Trans(T)(R2(_1,_2))
Thm* 
Thm* (x,y:T. (x R y (x R2 y))  (x,y:T. (x (R^*) y (x R2 y x = y)
[rel_star_closure]
Thm* n,m:f:(nm), x1,x2:ny1,y2:m.
Thm* x1 = x2  y1 = y2
Thm* 
Thm* (x:ny:m(x = x1 & y = y1 (x = x2 & y = y2 f(x,y) = 0)
Thm* 
Thm* sum(f(x,y) | x < ny < m) = f(x1,y1)+f(x2,y2)
[pair_support_double_sum]
Thm* m:P:(mProp).
Thm* (i:m. Dec(P(i)))
Thm* 
Thm* (n,k:f:(nm), g:(km).
Thm* (increasing(f;n)
Thm* (& increasing(g;k)
Thm* (& (i:nP(f(i)))
Thm* (& (j:kP(g(j)))
Thm* (& (i:m. (j:ni = f(j))  (j:ki = g(j))))
[increasing_split]
Thm* m,n,k:f:(nm), g:(km).
Thm* increasing(f;n)
Thm* 
Thm* increasing(g;k)
Thm* 
Thm* (i:m. (j:ni = f(j))  (j:ki = g(j)))
Thm* 
Thm* (j1:nj2:kf(j1) = g(j2))  m = n+k  
[disjoint_increasing_onto]
Def (R1  R2)(x,y) == (x R1 y (x R2 y)[rel_or]

In prior sections: core bool 1 int 2 list 1 rel 1 sqequal 1

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mb nat Sections MarkB generic Doc