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Theorem nnmaxpwlemparts 12968
Description: Lemma for nnmaxpw 12969. Decomposing a number into parts. (Contributed by Jim Kingdon, 16-Nov-2021.) (Revised by Jim Kingdon, 19-Aug-2026.)
Assertion
Ref Expression
nnmaxpwlemparts  |-  ( B  e.  ( ZZ>= `  2
)  ->  ( (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) )  <->  ( A  e.  NN  /\  ( X  =  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) )  /\  Y  =  ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) ) )
Distinct variable groups:    z, A    z, Y    z, B
Allowed substitution hint:    X( z)

Proof of Theorem nnmaxpwlemparts
StepHypRef Expression
1 simprr 537 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  A  =  ( ( B ^ Y
)  x.  X ) )
2 eluz2nn 9975 . . . . . . 7  |-  ( B  e.  ( ZZ>= `  2
)  ->  B  e.  NN )
32adantr 276 . . . . . 6  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  B  e.  NN )
4 simprlr 544 . . . . . 6  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  Y  e.  NN0 )
53, 4nnexpcld 11146 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  ( B ^ Y )  e.  NN )
6 simplll 539 . . . . . 6  |-  ( ( ( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) )  ->  X  e.  NN )
76adantl 277 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  X  e.  NN )
85, 7nnmulcld 9355 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  ( ( B ^ Y )  x.  X )  e.  NN )
91, 8eqeltrd 2315 . . 3  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  A  e.  NN )
10 simpl 109 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  B  e.  (
ZZ>= `  2 ) )
11 simpllr 540 . . . . 5  |-  ( ( ( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) )  ->  -.  B  ||  X )
1211adantl 277 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  -.  B  ||  X
)
137, 10, 12, 4, 1nnmaxpwlemxy 12964 . . 3  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  ( X  =  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) )  /\  Y  =  ( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )
149, 13jca 306 . 2  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) ) )  ->  ( A  e.  NN  /\  ( X  =  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) )  /\  Y  =  ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) )
15 simprl 535 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  A  e.  NN )
16 simpl 109 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  B  e.  ( ZZ>= `  2 )
)
17 simprrl 545 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  X  =  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) )
18 simpr 110 . . . . . 6  |-  ( ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  /\  X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  X  =  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) )
19 nnmaxpwlemdvds 12965 . . . . . . . 8  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  -> 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) )  ||  A
)
20 simpl 109 . . . . . . . . 9  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  ->  A  e.  NN )
212adantl 277 . . . . . . . . . 10  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  ->  B  e.  NN )
22 pwbdvdseu 12963 . . . . . . . . . . 11  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  ->  E! z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) )
23 riotacl 6054 . . . . . . . . . . 11  |-  ( E! z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A )  ->  ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) )  e. 
NN0 )
2422, 23syl 14 . . . . . . . . . 10  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  -> 
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) )  e.  NN0 )
2521, 24nnexpcld 11146 . . . . . . . . 9  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  -> 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) )  e.  NN )
26 nndivdvds 12579 . . . . . . . . 9  |-  ( ( A  e.  NN  /\  ( B ^ ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) )  e.  NN )  -> 
( ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) )  ||  A 
<->  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) )  e.  NN ) )
2720, 25, 26syl2anc 415 . . . . . . . 8  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  -> 
( ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) )  ||  A 
<->  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) )  e.  NN ) )
2819, 27mpbid 147 . . . . . . 7  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  -> 
( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) )  e.  NN )
2928adantr 276 . . . . . 6  |-  ( ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  /\  X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  e.  NN )
3018, 29eqeltrd 2315 . . . . 5  |-  ( ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  /\  X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  X  e.  NN )
3115, 16, 17, 30syl21anc 1277 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  X  e.  NN )
32 nnmaxpwlemnfac 12967 . . . . . 6  |-  ( ( A  e.  NN  /\  B  e.  ( ZZ>= ` 
2 ) )  ->  -.  B  ||  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )
3315, 16, 32syl2anc 415 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  -.  B  ||  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) )
34 breq2 4134 . . . . . . 7  |-  ( X  =  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) )  -> 
( B  ||  X  <->  B 
||  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) ) ) )
3534notbid 677 . . . . . 6  |-  ( X  =  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) )  -> 
( -.  B  ||  X 
<->  -.  B  ||  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) ) )
3617, 35syl 14 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( -.  B  ||  X  <->  -.  B  ||  ( A  /  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) ) )
3733, 36mpbird 167 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  -.  B  ||  X )
3831, 37jca 306 . . 3  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( X  e.  NN  /\  -.  B  ||  X ) )
39 simprrr 546 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  Y  =  ( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) )
4015, 16, 24syl2anc 415 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) )  e. 
NN0 )
4139, 40eqeltrd 2315 . . 3  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  Y  e.  NN0 )
4239oveq2d 6101 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( B ^ Y )  =  ( B ^ ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) )
4342, 17oveq12d 6103 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( ( B ^ Y )  x.  X )  =  ( ( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) )  x.  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) ) )
4415nncnd 9320 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  A  e.  CC )
4515, 16, 25syl2anc 415 . . . . . 6  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) )  e.  NN )
4645nncnd 9320 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) )  e.  CC )
4745nnap0d 9352 . . . . 5  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) #  0 )
4844, 46, 47divcanap2d 9124 . . . 4  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( ( B ^ ( iota_ z  e. 
NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) )  x.  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) ) )  =  A )
4943, 48eqtr2d 2272 . . 3  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  A  =  ( ( B ^ Y )  x.  X
) )
5038, 41, 49jca31 309 . 2  |-  ( ( B  e.  ( ZZ>= ` 
2 )  /\  ( A  e.  NN  /\  ( X  =  ( A  /  ( B ^
( iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) )  /\  Y  =  (
iota_ z  e.  NN0  ( ( B ^
z )  ||  A  /\  -.  ( B ^
( z  +  1 ) )  ||  A
) ) ) ) )  ->  ( (
( X  e.  NN  /\ 
-.  B  ||  X
)  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X
) ) )
5114, 50impbida 604 1  |-  ( B  e.  ( ZZ>= `  2
)  ->  ( (
( ( X  e.  NN  /\  -.  B  ||  X )  /\  Y  e.  NN0 )  /\  A  =  ( ( B ^ Y )  x.  X ) )  <->  ( A  e.  NN  /\  ( X  =  ( A  / 
( B ^ ( iota_ z  e.  NN0  (
( B ^ z
)  ||  A  /\  -.  ( B ^ (
z  +  1 ) )  ||  A ) ) ) )  /\  Y  =  ( iota_ z  e.  NN0  ( ( B ^ z )  ||  A  /\  -.  ( B ^ ( z  +  1 ) )  ||  A ) ) ) ) ) )
Colors of variables:    wff set class
This proof depends on syntax axioms:   -. wn 3    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1402    e. wcel 2209   E!wreu 2530   class class class wbr 4130   ` cfv 5377   iota_crio 6037  (class class class)co 6085   1c1 8180    + caddc 8182    x. cmul 8184    / cdiv 9004   NNcn 9306   2c2 9357   NN0cn0 9567   ZZ>=cuz 9930   ^cexp 10988    || cdvds 12570
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-mulrcl 8278  ax-addcom 8279  ax-mulcom 8280  ax-addass 8281  ax-mulass 8282  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-1rid 8286  ax-0id 8287  ax-rnegex 8288  ax-precex 8289  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-apti 8294  ax-pre-ltadd 8295  ax-pre-mulgt0 8296  ax-pre-mulext 8297  ax-arch 8298
This proof depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-frec 6662  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8500  df-neg 8501  df-reap 8905  df-ap 8912  df-div 9005  df-inn 9307  df-2 9365  df-n0 9568  df-z 9649  df-uz 9931  df-q 10029  df-rp 10065  df-fz 10422  df-fl 10715  df-mod 10773  df-seqfrec 10898  df-exp 10989  df-dvds 12571
This theorem is used by:  nnmaxpw  12969
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