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Proof step 5 from proof int2int-rest-01 (previous step)

int2bits(j) = true ' + false ' + bits, j < 0, j < ~1 ⊦ bits2int(int2bits(j).rest) = j + 2 ^ (n→i(# int2bits(j)) - 1), j = 0

User applied rule insert equation

And obtained the following new goals

Proof step 6:
int2bits(j) = true ' + false ' + bits, j < 0, j < ~1 ⊦ bits2int((true ' + false ' + bits).rest) = j + 2 ^ (n→i(#(true ' + false ' + bits)) - 1), j = 0

Rule argument

pos: left 1 flags:

Additional information