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Theorem sqpweven 12129
Description: The greatest power of two dividing the square of an integer is an even power of two. (Contributed by Jim Kingdon, 17-Nov-2021.)
Hypotheses
Ref Expression
oddpwdc.j  |-  J  =  { z  e.  NN  |  -.  2  ||  z }
oddpwdc.f  |-  F  =  ( x  e.  J ,  y  e.  NN0  |->  ( ( 2 ^ y )  x.  x
) )
Assertion
Ref Expression
sqpweven  |-  ( A  e.  NN  ->  2  ||  ( 2nd `  ( `' F `  ( A ^ 2 ) ) ) )
Distinct variable groups:    x, y, z   
x, J, y    x, A, y, z    x, F, y, z
Allowed substitution hint:    J( z)

Proof of Theorem sqpweven
StepHypRef Expression
1 oddpwdc.j . . . . . . . 8  |-  J  =  { z  e.  NN  |  -.  2  ||  z }
2 oddpwdc.f . . . . . . . 8  |-  F  =  ( x  e.  J ,  y  e.  NN0  |->  ( ( 2 ^ y )  x.  x
) )
31, 2oddpwdc 12128 . . . . . . 7  |-  F :
( J  X.  NN0 )
-1-1-onto-> NN
4 f1ocnv 5455 . . . . . . 7  |-  ( F : ( J  X.  NN0 ) -1-1-onto-> NN  ->  `' F : NN -1-1-onto-> ( J  X.  NN0 ) )
5 f1of 5442 . . . . . . 7  |-  ( `' F : NN -1-1-onto-> ( J  X.  NN0 )  ->  `' F : NN
--> ( J  X.  NN0 ) )
63, 4, 5mp2b 8 . . . . . 6  |-  `' F : NN --> ( J  X.  NN0 )
76ffvelrni 5630 . . . . 5  |-  ( A  e.  NN  ->  ( `' F `  A )  e.  ( J  X.  NN0 ) )
8 xp2nd 6145 . . . . 5  |-  ( ( `' F `  A )  e.  ( J  X.  NN0 )  ->  ( 2nd `  ( `' F `  A ) )  e. 
NN0 )
97, 8syl 14 . . . 4  |-  ( A  e.  NN  ->  ( 2nd `  ( `' F `  A ) )  e. 
NN0 )
109nn0zd 9332 . . 3  |-  ( A  e.  NN  ->  ( 2nd `  ( `' F `  A ) )  e.  ZZ )
11 2nn 9039 . . . . 5  |-  2  e.  NN
1211a1i 9 . . . 4  |-  ( A  e.  NN  ->  2  e.  NN )
1312nnzd 9333 . . 3  |-  ( A  e.  NN  ->  2  e.  ZZ )
14 dvdsmul2 11776 . . 3  |-  ( ( ( 2nd `  ( `' F `  A ) )  e.  ZZ  /\  2  e.  ZZ )  ->  2  ||  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )
1510, 13, 14syl2anc 409 . 2  |-  ( A  e.  NN  ->  2  ||  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )
16 xp1st 6144 . . . . . . . . . 10  |-  ( ( `' F `  A )  e.  ( J  X.  NN0 )  ->  ( 1st `  ( `' F `  A ) )  e.  J )
177, 16syl 14 . . . . . . . . 9  |-  ( A  e.  NN  ->  ( 1st `  ( `' F `  A ) )  e.  J )
18 breq2 3993 . . . . . . . . . . . 12  |-  ( z  =  ( 1st `  ( `' F `  A ) )  ->  ( 2 
||  z  <->  2  ||  ( 1st `  ( `' F `  A ) ) ) )
1918notbid 662 . . . . . . . . . . 11  |-  ( z  =  ( 1st `  ( `' F `  A ) )  ->  ( -.  2  ||  z  <->  -.  2  ||  ( 1st `  ( `' F `  A ) ) ) )
2019, 1elrab2 2889 . . . . . . . . . 10  |-  ( ( 1st `  ( `' F `  A ) )  e.  J  <->  ( ( 1st `  ( `' F `  A ) )  e.  NN  /\  -.  2  ||  ( 1st `  ( `' F `  A ) ) ) )
2120simplbi 272 . . . . . . . . 9  |-  ( ( 1st `  ( `' F `  A ) )  e.  J  -> 
( 1st `  ( `' F `  A ) )  e.  NN )
2217, 21syl 14 . . . . . . . 8  |-  ( A  e.  NN  ->  ( 1st `  ( `' F `  A ) )  e.  NN )
2322nnsqcld 10630 . . . . . . 7  |-  ( A  e.  NN  ->  (
( 1st `  ( `' F `  A ) ) ^ 2 )  e.  NN )
2420simprbi 273 . . . . . . . . . 10  |-  ( ( 1st `  ( `' F `  A ) )  e.  J  ->  -.  2  ||  ( 1st `  ( `' F `  A ) ) )
2517, 24syl 14 . . . . . . . . 9  |-  ( A  e.  NN  ->  -.  2  ||  ( 1st `  ( `' F `  A ) ) )
26 2prm 12081 . . . . . . . . . 10  |-  2  e.  Prime
2722nnzd 9333 . . . . . . . . . 10  |-  ( A  e.  NN  ->  ( 1st `  ( `' F `  A ) )  e.  ZZ )
28 euclemma 12100 . . . . . . . . . . 11  |-  ( ( 2  e.  Prime  /\  ( 1st `  ( `' F `  A ) )  e.  ZZ  /\  ( 1st `  ( `' F `  A ) )  e.  ZZ )  ->  (
2  ||  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) )  <->  ( 2 
||  ( 1st `  ( `' F `  A ) )  \/  2  ||  ( 1st `  ( `' F `  A ) ) ) ) )
29 oridm 752 . . . . . . . . . . 11  |-  ( ( 2  ||  ( 1st `  ( `' F `  A ) )  \/  2  ||  ( 1st `  ( `' F `  A ) ) )  <->  2  ||  ( 1st `  ( `' F `  A ) ) )
3028, 29bitrdi 195 . . . . . . . . . 10  |-  ( ( 2  e.  Prime  /\  ( 1st `  ( `' F `  A ) )  e.  ZZ  /\  ( 1st `  ( `' F `  A ) )  e.  ZZ )  ->  (
2  ||  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) )  <->  2  ||  ( 1st `  ( `' F `  A ) ) ) )
3126, 27, 27, 30mp3an2i 1337 . . . . . . . . 9  |-  ( A  e.  NN  ->  (
2  ||  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) )  <->  2  ||  ( 1st `  ( `' F `  A ) ) ) )
3225, 31mtbird 668 . . . . . . . 8  |-  ( A  e.  NN  ->  -.  2  ||  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
3322nncnd 8892 . . . . . . . . . 10  |-  ( A  e.  NN  ->  ( 1st `  ( `' F `  A ) )  e.  CC )
3433sqvald 10606 . . . . . . . . 9  |-  ( A  e.  NN  ->  (
( 1st `  ( `' F `  A ) ) ^ 2 )  =  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
3534breq2d 4001 . . . . . . . 8  |-  ( A  e.  NN  ->  (
2  ||  ( ( 1st `  ( `' F `  A ) ) ^
2 )  <->  2  ||  ( ( 1st `  ( `' F `  A ) )  x.  ( 1st `  ( `' F `  A ) ) ) ) )
3632, 35mtbird 668 . . . . . . 7  |-  ( A  e.  NN  ->  -.  2  ||  ( ( 1st `  ( `' F `  A ) ) ^
2 ) )
37 breq2 3993 . . . . . . . . 9  |-  ( z  =  ( ( 1st `  ( `' F `  A ) ) ^
2 )  ->  (
2  ||  z  <->  2  ||  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
3837notbid 662 . . . . . . . 8  |-  ( z  =  ( ( 1st `  ( `' F `  A ) ) ^
2 )  ->  ( -.  2  ||  z  <->  -.  2  ||  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
3938, 1elrab2 2889 . . . . . . 7  |-  ( ( ( 1st `  ( `' F `  A ) ) ^ 2 )  e.  J  <->  ( (
( 1st `  ( `' F `  A ) ) ^ 2 )  e.  NN  /\  -.  2  ||  ( ( 1st `  ( `' F `  A ) ) ^
2 ) ) )
4023, 36, 39sylanbrc 415 . . . . . 6  |-  ( A  e.  NN  ->  (
( 1st `  ( `' F `  A ) ) ^ 2 )  e.  J )
4112nnnn0d 9188 . . . . . . 7  |-  ( A  e.  NN  ->  2  e.  NN0 )
429, 41nn0mulcld 9193 . . . . . 6  |-  ( A  e.  NN  ->  (
( 2nd `  ( `' F `  A ) )  x.  2 )  e.  NN0 )
43 opelxp 4641 . . . . . 6  |-  ( <.
( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >.  e.  ( J  X.  NN0 )  <->  ( ( ( 1st `  ( `' F `  A ) ) ^ 2 )  e.  J  /\  (
( 2nd `  ( `' F `  A ) )  x.  2 )  e.  NN0 ) )
4440, 42, 43sylanbrc 415 . . . . 5  |-  ( A  e.  NN  ->  <. (
( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >.  e.  ( J  X.  NN0 )
)
4512nncnd 8892 . . . . . . . . 9  |-  ( A  e.  NN  ->  2  e.  CC )
4645, 41, 9expmuld 10612 . . . . . . . 8  |-  ( A  e.  NN  ->  (
2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  =  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) ) ^ 2 ) )
4746oveq1d 5868 . . . . . . 7  |-  ( A  e.  NN  ->  (
( 2 ^ (
( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) )  =  ( ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) ) ^ 2 )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
4812, 42nnexpcld 10631 . . . . . . . . 9  |-  ( A  e.  NN  ->  (
2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  e.  NN )
4948, 23nnmulcld 8927 . . . . . . . 8  |-  ( A  e.  NN  ->  (
( 2 ^ (
( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) )  e.  NN )
50 oveq2 5861 . . . . . . . . 9  |-  ( x  =  ( ( 1st `  ( `' F `  A ) ) ^
2 )  ->  (
( 2 ^ y
)  x.  x )  =  ( ( 2 ^ y )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
51 oveq2 5861 . . . . . . . . . 10  |-  ( y  =  ( ( 2nd `  ( `' F `  A ) )  x.  2 )  ->  (
2 ^ y )  =  ( 2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) ) )
5251oveq1d 5868 . . . . . . . . 9  |-  ( y  =  ( ( 2nd `  ( `' F `  A ) )  x.  2 )  ->  (
( 2 ^ y
)  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) )  =  ( ( 2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
5350, 52, 2ovmpog 5987 . . . . . . . 8  |-  ( ( ( ( 1st `  ( `' F `  A ) ) ^ 2 )  e.  J  /\  (
( 2nd `  ( `' F `  A ) )  x.  2 )  e.  NN0  /\  (
( 2 ^ (
( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) )  e.  NN )  ->  ( ( ( 1st `  ( `' F `  A ) ) ^ 2 ) F ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  =  ( ( 2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
5440, 42, 49, 53syl3anc 1233 . . . . . . 7  |-  ( A  e.  NN  ->  (
( ( 1st `  ( `' F `  A ) ) ^ 2 ) F ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  =  ( ( 2 ^ ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
55 f1ocnvfv2 5757 . . . . . . . . . . . . 13  |-  ( ( F : ( J  X.  NN0 ) -1-1-onto-> NN  /\  A  e.  NN )  ->  ( F `  ( `' F `  A ) )  =  A )
563, 55mpan 422 . . . . . . . . . . . 12  |-  ( A  e.  NN  ->  ( F `  ( `' F `  A )
)  =  A )
57 1st2nd2 6154 . . . . . . . . . . . . . 14  |-  ( ( `' F `  A )  e.  ( J  X.  NN0 )  ->  ( `' F `  A )  =  <. ( 1st `  ( `' F `  A ) ) ,  ( 2nd `  ( `' F `  A ) ) >.
)
587, 57syl 14 . . . . . . . . . . . . 13  |-  ( A  e.  NN  ->  ( `' F `  A )  =  <. ( 1st `  ( `' F `  A ) ) ,  ( 2nd `  ( `' F `  A ) ) >.
)
5958fveq2d 5500 . . . . . . . . . . . 12  |-  ( A  e.  NN  ->  ( F `  ( `' F `  A )
)  =  ( F `
 <. ( 1st `  ( `' F `  A ) ) ,  ( 2nd `  ( `' F `  A ) ) >.
) )
6056, 59eqtr3d 2205 . . . . . . . . . . 11  |-  ( A  e.  NN  ->  A  =  ( F `  <. ( 1st `  ( `' F `  A ) ) ,  ( 2nd `  ( `' F `  A ) ) >.
) )
61 df-ov 5856 . . . . . . . . . . 11  |-  ( ( 1st `  ( `' F `  A ) ) F ( 2nd `  ( `' F `  A ) ) )  =  ( F `  <. ( 1st `  ( `' F `  A ) ) ,  ( 2nd `  ( `' F `  A ) ) >.
)
6260, 61eqtr4di 2221 . . . . . . . . . 10  |-  ( A  e.  NN  ->  A  =  ( ( 1st `  ( `' F `  A ) ) F ( 2nd `  ( `' F `  A ) ) ) )
6312, 9nnexpcld 10631 . . . . . . . . . . . 12  |-  ( A  e.  NN  ->  (
2 ^ ( 2nd `  ( `' F `  A ) ) )  e.  NN )
6463, 22nnmulcld 8927 . . . . . . . . . . 11  |-  ( A  e.  NN  ->  (
( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) )  e.  NN )
65 oveq2 5861 . . . . . . . . . . . 12  |-  ( x  =  ( 1st `  ( `' F `  A ) )  ->  ( (
2 ^ y )  x.  x )  =  ( ( 2 ^ y )  x.  ( 1st `  ( `' F `  A ) ) ) )
66 oveq2 5861 . . . . . . . . . . . . 13  |-  ( y  =  ( 2nd `  ( `' F `  A ) )  ->  ( 2 ^ y )  =  ( 2 ^ ( 2nd `  ( `' F `  A ) ) ) )
6766oveq1d 5868 . . . . . . . . . . . 12  |-  ( y  =  ( 2nd `  ( `' F `  A ) )  ->  ( (
2 ^ y )  x.  ( 1st `  ( `' F `  A ) ) )  =  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
6865, 67, 2ovmpog 5987 . . . . . . . . . . 11  |-  ( ( ( 1st `  ( `' F `  A ) )  e.  J  /\  ( 2nd `  ( `' F `  A ) )  e.  NN0  /\  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) )  e.  NN )  -> 
( ( 1st `  ( `' F `  A ) ) F ( 2nd `  ( `' F `  A ) ) )  =  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
6917, 9, 64, 68syl3anc 1233 . . . . . . . . . 10  |-  ( A  e.  NN  ->  (
( 1st `  ( `' F `  A ) ) F ( 2nd `  ( `' F `  A ) ) )  =  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
7062, 69eqtrd 2203 . . . . . . . . 9  |-  ( A  e.  NN  ->  A  =  ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) )
7170oveq1d 5868 . . . . . . . 8  |-  ( A  e.  NN  ->  ( A ^ 2 )  =  ( ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) ^ 2 ) )
7263nncnd 8892 . . . . . . . . 9  |-  ( A  e.  NN  ->  (
2 ^ ( 2nd `  ( `' F `  A ) ) )  e.  CC )
7372, 33sqmuld 10621 . . . . . . . 8  |-  ( A  e.  NN  ->  (
( ( 2 ^ ( 2nd `  ( `' F `  A ) ) )  x.  ( 1st `  ( `' F `  A ) ) ) ^ 2 )  =  ( ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) ) ^ 2 )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
7471, 73eqtrd 2203 . . . . . . 7  |-  ( A  e.  NN  ->  ( A ^ 2 )  =  ( ( ( 2 ^ ( 2nd `  ( `' F `  A ) ) ) ^ 2 )  x.  ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ) )
7547, 54, 743eqtr4rd 2214 . . . . . 6  |-  ( A  e.  NN  ->  ( A ^ 2 )  =  ( ( ( 1st `  ( `' F `  A ) ) ^
2 ) F ( ( 2nd `  ( `' F `  A ) )  x.  2 ) ) )
76 df-ov 5856 . . . . . 6  |-  ( ( ( 1st `  ( `' F `  A ) ) ^ 2 ) F ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )  =  ( F `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )
7775, 76eqtr2di 2220 . . . . 5  |-  ( A  e.  NN  ->  ( F `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )  =  ( A ^
2 ) )
78 f1ocnvfv 5758 . . . . . 6  |-  ( ( F : ( J  X.  NN0 ) -1-1-onto-> NN  /\  <.
( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >.  e.  ( J  X.  NN0 )
)  ->  ( ( F `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )  =  ( A ^
2 )  ->  ( `' F `  ( A ^ 2 ) )  =  <. ( ( 1st `  ( `' F `  A ) ) ^
2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 )
>. ) )
793, 78mpan 422 . . . . 5  |-  ( <.
( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >.  e.  ( J  X.  NN0 )  ->  ( ( F `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )  =  ( A ^
2 )  ->  ( `' F `  ( A ^ 2 ) )  =  <. ( ( 1st `  ( `' F `  A ) ) ^
2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 )
>. ) )
8044, 77, 79sylc 62 . . . 4  |-  ( A  e.  NN  ->  ( `' F `  ( A ^ 2 ) )  =  <. ( ( 1st `  ( `' F `  A ) ) ^
2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 )
>. )
8180fveq2d 5500 . . 3  |-  ( A  e.  NN  ->  ( 2nd `  ( `' F `  ( A ^ 2 ) ) )  =  ( 2nd `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )
)
82 op2ndg 6130 . . . 4  |-  ( ( ( ( 1st `  ( `' F `  A ) ) ^ 2 )  e.  J  /\  (
( 2nd `  ( `' F `  A ) )  x.  2 )  e.  NN0 )  -> 
( 2nd `  <. ( ( 1st `  ( `' F `  A ) ) ^ 2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) >. )  =  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )
8340, 42, 82syl2anc 409 . . 3  |-  ( A  e.  NN  ->  ( 2nd `  <. ( ( 1st `  ( `' F `  A ) ) ^
2 ) ,  ( ( 2nd `  ( `' F `  A ) )  x.  2 )
>. )  =  (
( 2nd `  ( `' F `  A ) )  x.  2 ) )
8481, 83eqtrd 2203 . 2  |-  ( A  e.  NN  ->  ( 2nd `  ( `' F `  ( A ^ 2 ) ) )  =  ( ( 2nd `  ( `' F `  A ) )  x.  2 ) )
8515, 84breqtrrd 4017 1  |-  ( A  e.  NN  ->  2  ||  ( 2nd `  ( `' F `  ( A ^ 2 ) ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 104    \/ wo 703    /\ w3a 973    = wceq 1348    e. wcel 2141   {crab 2452   <.cop 3586   class class class wbr 3989    X. cxp 4609   `'ccnv 4610   -->wf 5194   -1-1-onto->wf1o 5197   ` cfv 5198  (class class class)co 5853    e. cmpo 5855   1stc1st 6117   2ndc2nd 6118    x. cmul 7779   NNcn 8878   2c2 8929   NN0cn0 9135   ZZcz 9212   ^cexp 10475    || cdvds 11749   Primecprime 12061
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4104  ax-sep 4107  ax-nul 4115  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-iinf 4572  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-mulrcl 7873  ax-addcom 7874  ax-mulcom 7875  ax-addass 7876  ax-mulass 7877  ax-distr 7878  ax-i2m1 7879  ax-0lt1 7880  ax-1rid 7881  ax-0id 7882  ax-rnegex 7883  ax-precex 7884  ax-cnre 7885  ax-pre-ltirr 7886  ax-pre-ltwlin 7887  ax-pre-lttrn 7888  ax-pre-apti 7889  ax-pre-ltadd 7890  ax-pre-mulgt0 7891  ax-pre-mulext 7892  ax-arch 7893  ax-caucvg 7894
This theorem depends on definitions:  df-bi 116  df-stab 826  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-nel 2436  df-ral 2453  df-rex 2454  df-reu 2455  df-rmo 2456  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-if 3527  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-iun 3875  df-br 3990  df-opab 4051  df-mpt 4052  df-tr 4088  df-id 4278  df-po 4281  df-iso 4282  df-iord 4351  df-on 4353  df-ilim 4354  df-suc 4356  df-iom 4575  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-1st 6119  df-2nd 6120  df-recs 6284  df-frec 6370  df-1o 6395  df-2o 6396  df-er 6513  df-en 6719  df-sup 6961  df-pnf 7956  df-mnf 7957  df-xr 7958  df-ltxr 7959  df-le 7960  df-sub 8092  df-neg 8093  df-reap 8494  df-ap 8501  df-div 8590  df-inn 8879  df-2 8937  df-3 8938  df-4 8939  df-n0 9136  df-z 9213  df-uz 9488  df-q 9579  df-rp 9611  df-fz 9966  df-fzo 10099  df-fl 10226  df-mod 10279  df-seqfrec 10402  df-exp 10476  df-cj 10806  df-re 10807  df-im 10808  df-rsqrt 10962  df-abs 10963  df-dvds 11750  df-gcd 11898  df-prm 12062
This theorem is referenced by:  sqne2sq  12131
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