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Theorem pcqdiv 13159
Description: Division property of the prime power function. (Contributed by Mario Carneiro, 10-Aug-2015.)
Assertion
Ref Expression
pcqdiv  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  =  ( ( P 
pCnt  A )  -  ( P  pCnt  B ) ) )

Proof of Theorem pcqdiv
StepHypRef Expression
1 simp2l 983 . . . . . . 7  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  A  e.  QQ )
2 qcn 10521 . . . . . . 7  |-  ( A  e.  QQ  ->  A  e.  CC )
31, 2syl 16 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  A  e.  CC )
4 simp3l 985 . . . . . . 7  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  B  e.  QQ )
5 qcn 10521 . . . . . . 7  |-  ( B  e.  QQ  ->  B  e.  CC )
64, 5syl 16 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  B  e.  CC )
7 simp3r 986 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  B  =/=  0 )
83, 6, 7divcan1d 9724 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( ( A  /  B )  x.  B
)  =  A )
98oveq2d 6037 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  (
( A  /  B
)  x.  B ) )  =  ( P 
pCnt  A ) )
10 simp1 957 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  P  e.  Prime )
11 qdivcl 10528 . . . . . 6  |-  ( ( A  e.  QQ  /\  B  e.  QQ  /\  B  =/=  0 )  ->  ( A  /  B )  e.  QQ )
121, 4, 7, 11syl3anc 1184 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( A  /  B
)  e.  QQ )
13 simp2r 984 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  A  =/=  0 )
143, 6, 13, 7divne0d 9739 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( A  /  B
)  =/=  0 )
15 pcqmul 13155 . . . . 5  |-  ( ( P  e.  Prime  /\  (
( A  /  B
)  e.  QQ  /\  ( A  /  B
)  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  (
( A  /  B
)  x.  B ) )  =  ( ( P  pCnt  ( A  /  B ) )  +  ( P  pCnt  B
) ) )
1610, 12, 14, 4, 7, 15syl122anc 1193 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  (
( A  /  B
)  x.  B ) )  =  ( ( P  pCnt  ( A  /  B ) )  +  ( P  pCnt  B
) ) )
179, 16eqtr3d 2422 . . 3  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  A
)  =  ( ( P  pCnt  ( A  /  B ) )  +  ( P  pCnt  B
) ) )
1817oveq1d 6036 . 2  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( ( P  pCnt  A )  -  ( P 
pCnt  B ) )  =  ( ( ( P 
pCnt  ( A  /  B ) )  +  ( P  pCnt  B
) )  -  ( P  pCnt  B ) ) )
19 pcqcl 13158 . . . . 5  |-  ( ( P  e.  Prime  /\  (
( A  /  B
)  e.  QQ  /\  ( A  /  B
)  =/=  0 ) )  ->  ( P  pCnt  ( A  /  B
) )  e.  ZZ )
2010, 12, 14, 19syl12anc 1182 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  e.  ZZ )
2120zcnd 10309 . . 3  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  e.  CC )
22 pcqcl 13158 . . . . 5  |-  ( ( P  e.  Prime  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  ZZ )
23223adant2 976 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  ZZ )
2423zcnd 10309 . . 3  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  CC )
2521, 24pncand 9345 . 2  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( ( ( P 
pCnt  ( A  /  B ) )  +  ( P  pCnt  B
) )  -  ( P  pCnt  B ) )  =  ( P  pCnt  ( A  /  B ) ) )
2618, 25eqtr2d 2421 1  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  =  ( ( P 
pCnt  A )  -  ( P  pCnt  B ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    /\ w3a 936    = wceq 1649    e. wcel 1717    =/= wne 2551  (class class class)co 6021   CCcc 8922   0cc0 8924    + caddc 8927    x. cmul 8929    - cmin 9224    / cdiv 9610   ZZcz 10215   QQcq 10507   Primecprime 13007    pCnt cpc 13138
This theorem is referenced by:  pcrec  13160
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-5 1563  ax-17 1623  ax-9 1661  ax-8 1682  ax-13 1719  ax-14 1721  ax-6 1736  ax-7 1741  ax-11 1753  ax-12 1939  ax-ext 2369  ax-sep 4272  ax-nul 4280  ax-pow 4319  ax-pr 4345  ax-un 4642  ax-cnex 8980  ax-resscn 8981  ax-1cn 8982  ax-icn 8983  ax-addcl 8984  ax-addrcl 8985  ax-mulcl 8986  ax-mulrcl 8987  ax-mulcom 8988  ax-addass 8989  ax-mulass 8990  ax-distr 8991  ax-i2m1 8992  ax-1ne0 8993  ax-1rid 8994  ax-rnegex 8995  ax-rrecex 8996  ax-cnre 8997  ax-pre-lttri 8998  ax-pre-lttrn 8999  ax-pre-ltadd 9000  ax-pre-mulgt0 9001  ax-pre-sup 9002
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1325  df-ex 1548  df-nf 1551  df-sb 1656  df-eu 2243  df-mo 2244  df-clab 2375  df-cleq 2381  df-clel 2384  df-nfc 2513  df-ne 2553  df-nel 2554  df-ral 2655  df-rex 2656  df-reu 2657  df-rmo 2658  df-rab 2659  df-v 2902  df-sbc 3106  df-csb 3196  df-dif 3267  df-un 3269  df-in 3271  df-ss 3278  df-pss 3280  df-nul 3573  df-if 3684  df-pw 3745  df-sn 3764  df-pr 3765  df-tp 3766  df-op 3767  df-uni 3959  df-int 3994  df-iun 4038  df-br 4155  df-opab 4209  df-mpt 4210  df-tr 4245  df-eprel 4436  df-id 4440  df-po 4445  df-so 4446  df-fr 4483  df-we 4485  df-ord 4526  df-on 4527  df-lim 4528  df-suc 4529  df-om 4787  df-xp 4825  df-rel 4826  df-cnv 4827  df-co 4828  df-dm 4829  df-rn 4830  df-res 4831  df-ima 4832  df-iota 5359  df-fun 5397  df-fn 5398  df-f 5399  df-f1 5400  df-fo 5401  df-f1o 5402  df-fv 5403  df-ov 6024  df-oprab 6025  df-mpt2 6026  df-1st 6289  df-2nd 6290  df-riota 6486  df-recs 6570  df-rdg 6605  df-1o 6661  df-2o 6662  df-oadd 6665  df-er 6842  df-en 7047  df-dom 7048  df-sdom 7049  df-fin 7050  df-sup 7382  df-pnf 9056  df-mnf 9057  df-xr 9058  df-ltxr 9059  df-le 9060  df-sub 9226  df-neg 9227  df-div 9611  df-nn 9934  df-2 9991  df-3 9992  df-n0 10155  df-z 10216  df-uz 10422  df-q 10508  df-rp 10546  df-fl 11130  df-mod 11179  df-seq 11252  df-exp 11311  df-cj 11832  df-re 11833  df-im 11834  df-sqr 11968  df-abs 11969  df-dvds 12781  df-gcd 12935  df-prm 13008  df-pc 13139
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