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{1,2}+{3,4}={1,2,3,4}

{1,2}+{2,3}={1,2,2,3}={1,2_2,3}

1,2+1,2=2*{1,2}={1,1,2,2}={1_2,2_2}

{a_x}+{a_y}={a_(x+y)}

{1,2,3}-{1}={2,3}

{1,2}-{1,2}={}={1_0,2_0}

{1,2}-{1,2,3,4}=-{3,4}={3_-1,4_-1}

{1,2,3}-{3,4,5}={1,2}-{4,5}={1,2,4_-1,5_-1}

{a_x}-{a_y}={a_(x-y)}

3*{1,2,3}={1,1,1,2,2,2,3,3,3}={1_3,2_3,3_3}

-2*{1,2,3}={1_-2,2_-2,3_-2}=-{1_2,2_2,3_2}

0.5*{1,2,3}={1_0.5,2_0.5,3_0.5}

2*{1_0.5,2_0.5,3_0.5}={1,2,3}

y*{a_x}={a_(x*y)}



{a,b}*{c,d}={a+c,a+d,b+c,b+d}

{a,b,c}*{d,e}={a+d,a+e,b+d,b+e,c+d,c+e}

{a_x,b_y}*{c_z,d_t}={(a+c)_xz,(a+d)_xt,(b+c)_yz,(b+d)_yt}

{{a},{b}}*{{c},{d}}={{a,c},{a,d},{b,c},{b,d}}

{{a},{b}}^2={{a_2},{a,b}_2,{b_2}}

P({a,b,c,d})，P({a,b}),P({c,d})：

P({a,b})={0,{a},{b},{a,b}}

P({c,d})={0,{c},{d},{c,d}}

P({a,b,c,d})={0,{c},{d},{c,d},{a},{a,c},{a,d},{a,c,d},{b},{b,c},{b,d},{b,c,d},{a,b},{a,b,c},{a,b,d},{a,b,c,d}}

P(A+B)=P(A)*P(B)

a_{b}=a+b。{a}*{b}={a+b}={a_{b}}



0={}

1={0}

2=1+1={0}+{0}={0,0}={0_2}

3=2+1={0,0}+{0}={0,0,0}={0_3}

n={0_n}。x={0_x}。

{2,4,6,...}/{1}={1,3,5,...}

{1,2,3,...,}/{2,4,6,...}={0,-1}

[0,∞)/[0,1)={0,1,2,3,...}

x_{a}=x+a,x_{b}=x+b,x_{c}=x+c。A={m,n,p}，{{a},{b},{c}}^A={{m+a},{m+b},{m+c}}*{{n+a},{n+b},{n+c}}*{{p+a},{p+b},{p+c}}。

{0,1}^A=P(A)

{0,0}^A=2^A=2^|A|

{1,1}^A={A_2^|A|}

{0,1,2}^{a,b,c}={0,{a},{a_2}}*{0,{b},{b_2}}*{0,{c},{c_2}}

{{c},{d}}^{a,b}={{a+c,b+c},{a+c,b+d},{a+d,b+c},{a+d,b+d}}

{{c,d},{e,f}}^{a,b}={{a+c,a+d},{a+e,a+f}}*{{b+c,b+d},{b+e,b+f}}

{{c},{d},{e},{f}}^{a,b}={{a+c},{a+d},{a+e},{a+f}}*{{b+c},{b+d},{b+e},{b+f}}

{a_x,b_y}+{a_z,b_t}={a_(x+z),b_(y+t)}

(a_x,b_y}*{c_z,d_t}={a+c_xz,a+d_xt,b+c_yz,b+d_yt}

{{c},{d}}^{a,b}={{a+c},{a+d}}*{{b+c},{b+d}}

P(A+B)=P(A)*P(B),A^(C*B)=(A^C)^B

P(A)={0,1}^{a_x,b_y,c_z}

P(A)={0,1}^{a_x}*{0,1}^{b_y}*{0,1}^{c_z}

{0,1}^{a}={0,{a}}，{0,1}^{a_x}=({0,1}^{a})^x，P(A)={0,{a}}^x*{0,{b}}^y*{0,{c}}^z

{0,{a}}^x={0,{a}_x,{a_2}_x*(x-1)/2,...,{a_n}_x*(x-1)*...*(x-n+1)/n!,.....}

P({a_x,b_y,c_z})={0,{a}_x,{a_2}_x*(x-1)/2,...,{a_n}_x*(x-1)*...*(x-n+1)/n!,.....}*{0,{b}_y,{b_2}_y*(y-1)/2,...,{b_n}_y*(y-1)*...*(y-n+1)/n!,.....}*{0,{c}_z,{c_2}_z*(z-1)/2,...,{c_n}_z*(z-1)*...*(z-n+1)/n!,.....}

1/{0,1}={0,1}^-1={0,1_-1,2,3_-1,4_1,.....}。

{0,1_-1,2,3_-1,4_1,.....}*{0,1}={0,1_-1,2,3_-1,4_1,.....,1,2_-1,3,4_-1,.......}={0}=1。1/{0,1,2}={0}+{1,2}*-1+{1,2}^2+{1,2}^3*-1+...，1-2+4-8+....=1/3。

1-n+n^2-n^3+....=1/(n+1)。

1/{0,1}^2={0}+{1}*-2+{2}*3+{3}*-4+....，1-2+3-4+....=1/4。

1/{0,1}^3={0}+{1}*-C(1,3)+{2}*C(2,4)+{3}*-C(3,5)+....，1-3+6-10+....=1/8。

C(0,n-1)-C(1,n)+C(2,n+1)-C(3,n+2)+.....=1/2^n。

C(n,n)*C(k,k+n-1)-C(n-1,n)*C(k+1,k+n)+,,,,+(-1)^i*C(n-i,n)*C(k+i,k+n-1+i)+......+(-1)^n*C(0,n)*C(k+n,k+2n-1)=0.

1/{-1,0_-1}=({-1}-1)^-1={1,2,3,4,.....} 

1/{-2,0_-1}={2,4,6,8,.....}

1/{1,2,3,4,....}={-1,0_-1}  

{1,2,3,....}/{2,4,6,....}={-2,0_-1}/{-1,0_-1}={0,-1} 

{1,3,5,...}-{2,4,6,....}={1,2:-1,3,4:-1,5,6:-1,......}={1}/{1,0}  

a:1->b:1

a:10->b:10

a:3,b:7->c:4,d:6

a:-1->a:-1

a,b:0.5,c:-0.3->d:1.2

{a:-1}{} ={b,b:-1},b:-1->a:-1，

aleph0+pi=aleph0。{a1,a2,a3,....}{a1,a2,a3,...,b:pi}。a1,a2,a3->b:3。a4->b:pi-3,a1:4-pi。a5->a1:pi-3,a2:4-pi。...a(n+4)->an:pi-3,a(n+1):4-pi。....

Aleph0*pi=aleph0。{a1:pi,a2:pi,a3:pi,....}{a1,a2,a3,...,}

a(6i-5),a(6i-4),a(6i-3)->a(i):pi-3,a(2i-1):6-pi。a(6i-2),a(6i-1),a(6i)->a(i):pi-3,a(2i):6-pi。