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Theorem pcqdiv 14236
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 1022 . . . . . . 7  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  A  e.  QQ )
2 qcn 11192 . . . . . . 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 1024 . . . . . . 7  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  B  e.  QQ )
5 qcn 11192 . . . . . . 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 1025 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  B  =/=  0 )
83, 6, 7divcan1d 10317 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( ( A  /  B )  x.  B
)  =  A )
98oveq2d 6298 . . . 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 996 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  P  e.  Prime )
11 qdivcl 11199 . . . . . 6  |-  ( ( A  e.  QQ  /\  B  e.  QQ  /\  B  =/=  0 )  ->  ( A  /  B )  e.  QQ )
121, 4, 7, 11syl3anc 1228 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( A  /  B
)  e.  QQ )
13 simp2r 1023 . . . . . 6  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  ->  A  =/=  0 )
143, 6, 13, 7divne0d 10332 . . . . 5  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( A  /  B
)  =/=  0 )
15 pcqmul 14232 . . . . 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 1237 . . . 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 2510 . . 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 6297 . 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 14235 . . . . 5  |-  ( ( P  e.  Prime  /\  (
( A  /  B
)  e.  QQ  /\  ( A  /  B
)  =/=  0 ) )  ->  ( P  pCnt  ( A  /  B
) )  e.  ZZ )
2010, 12, 14, 19syl12anc 1226 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  e.  ZZ )
2120zcnd 10963 . . 3  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  ( A  /  B ) )  e.  CC )
22 pcqcl 14235 . . . . 5  |-  ( ( P  e.  Prime  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  ZZ )
23223adant2 1015 . . . 4  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  ZZ )
2423zcnd 10963 . . 3  |-  ( ( P  e.  Prime  /\  ( A  e.  QQ  /\  A  =/=  0 )  /\  ( B  e.  QQ  /\  B  =/=  0 ) )  -> 
( P  pCnt  B
)  e.  CC )
2521, 24pncand 9927 . 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 2509 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 setvar class
Syntax hints:    -> wi 4    /\ wa 369    /\ w3a 973    = wceq 1379    e. wcel 1767    =/= wne 2662  (class class class)co 6282   CCcc 9486   0cc0 9488    + caddc 9491    x. cmul 9493    - cmin 9801    / cdiv 10202   ZZcz 10860   QQcq 11178   Primecprime 14072    pCnt cpc 14215
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6574  ax-cnex 9544  ax-resscn 9545  ax-1cn 9546  ax-icn 9547  ax-addcl 9548  ax-addrcl 9549  ax-mulcl 9550  ax-mulrcl 9551  ax-mulcom 9552  ax-addass 9553  ax-mulass 9554  ax-distr 9555  ax-i2m1 9556  ax-1ne0 9557  ax-1rid 9558  ax-rnegex 9559  ax-rrecex 9560  ax-cnre 9561  ax-pre-lttri 9562  ax-pre-lttrn 9563  ax-pre-ltadd 9564  ax-pre-mulgt0 9565  ax-pre-sup 9566
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-nel 2665  df-ral 2819  df-rex 2820  df-reu 2821  df-rmo 2822  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-pss 3492  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-tp 4032  df-op 4034  df-uni 4246  df-int 4283  df-iun 4327  df-br 4448  df-opab 4506  df-mpt 4507  df-tr 4541  df-eprel 4791  df-id 4795  df-po 4800  df-so 4801  df-fr 4838  df-we 4840  df-ord 4881  df-on 4882  df-lim 4883  df-suc 4884  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5549  df-fun 5588  df-fn 5589  df-f 5590  df-f1 5591  df-fo 5592  df-f1o 5593  df-fv 5594  df-riota 6243  df-ov 6285  df-oprab 6286  df-mpt2 6287  df-om 6679  df-1st 6781  df-2nd 6782  df-recs 7039  df-rdg 7073  df-1o 7127  df-2o 7128  df-oadd 7131  df-er 7308  df-en 7514  df-dom 7515  df-sdom 7516  df-fin 7517  df-sup 7897  df-pnf 9626  df-mnf 9627  df-xr 9628  df-ltxr 9629  df-le 9630  df-sub 9803  df-neg 9804  df-div 10203  df-nn 10533  df-2 10590  df-3 10591  df-n0 10792  df-z 10861  df-uz 11079  df-q 11179  df-rp 11217  df-fl 11893  df-mod 11961  df-seq 12072  df-exp 12131  df-cj 12891  df-re 12892  df-im 12893  df-sqrt 13027  df-abs 13028  df-dvds 13844  df-gcd 14000  df-prm 14073  df-pc 14216
This theorem is referenced by:  pcrec  14237
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