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Theorem isprm4 12051
Description: The predicate "is a prime number". A prime number is an integer greater than or equal to 2 whose only divisor greater than or equal to 2 is itself. (Contributed by Paul Chapman, 26-Oct-2012.)
Assertion
Ref Expression
isprm4  |-  ( P  e.  Prime  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  (
ZZ>= `  2 ) ( z  ||  P  -> 
z  =  P ) ) )
Distinct variable group:    z, P

Proof of Theorem isprm4
StepHypRef Expression
1 isprm2 12049 . 2  |-  ( P  e.  Prime  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
2 eluz2nn 9504 . . . . . . . 8  |-  ( z  e.  ( ZZ>= `  2
)  ->  z  e.  NN )
32pm4.71ri 390 . . . . . . 7  |-  ( z  e.  ( ZZ>= `  2
)  <->  ( z  e.  NN  /\  z  e.  ( ZZ>= `  2 )
) )
43imbi1i 237 . . . . . 6  |-  ( ( z  e.  ( ZZ>= ` 
2 )  ->  (
z  ||  P  ->  z  =  P ) )  <-> 
( ( z  e.  NN  /\  z  e.  ( ZZ>= `  2 )
)  ->  ( z  ||  P  ->  z  =  P ) ) )
5 impexp 261 . . . . . 6  |-  ( ( ( z  e.  NN  /\  z  e.  ( ZZ>= ` 
2 ) )  -> 
( z  ||  P  ->  z  =  P ) )  <->  ( z  e.  NN  ->  ( z  e.  ( ZZ>= `  2 )  ->  ( z  ||  P  ->  z  =  P ) ) ) )
64, 5bitri 183 . . . . 5  |-  ( ( z  e.  ( ZZ>= ` 
2 )  ->  (
z  ||  P  ->  z  =  P ) )  <-> 
( z  e.  NN  ->  ( z  e.  (
ZZ>= `  2 )  -> 
( z  ||  P  ->  z  =  P ) ) ) )
7 eluz2b3 9542 . . . . . . . 8  |-  ( z  e.  ( ZZ>= `  2
)  <->  ( z  e.  NN  /\  z  =/=  1 ) )
87imbi1i 237 . . . . . . 7  |-  ( ( z  e.  ( ZZ>= ` 
2 )  ->  (
z  ||  P  ->  z  =  P ) )  <-> 
( ( z  e.  NN  /\  z  =/=  1 )  ->  (
z  ||  P  ->  z  =  P ) ) )
9 impexp 261 . . . . . . . 8  |-  ( ( ( z  e.  NN  /\  z  =/=  1 )  ->  ( z  ||  P  ->  z  =  P ) )  <->  ( z  e.  NN  ->  ( z  =/=  1  ->  ( z 
||  P  ->  z  =  P ) ) ) )
10 bi2.04 247 . . . . . . . . . 10  |-  ( ( z  =/=  1  -> 
( z  ||  P  ->  z  =  P ) )  <->  ( z  ||  P  ->  ( z  =/=  1  ->  z  =  P ) ) )
11 df-ne 2337 . . . . . . . . . . . . 13  |-  ( z  =/=  1  <->  -.  z  =  1 )
1211imbi1i 237 . . . . . . . . . . . 12  |-  ( ( z  =/=  1  -> 
z  =  P )  <-> 
( -.  z  =  1  ->  z  =  P ) )
13 nnz 9210 . . . . . . . . . . . . . 14  |-  ( z  e.  NN  ->  z  e.  ZZ )
14 1zzd 9218 . . . . . . . . . . . . . 14  |-  ( z  e.  NN  ->  1  e.  ZZ )
15 zdceq 9266 . . . . . . . . . . . . . 14  |-  ( ( z  e.  ZZ  /\  1  e.  ZZ )  -> DECID  z  =  1 )
1613, 14, 15syl2anc 409 . . . . . . . . . . . . 13  |-  ( z  e.  NN  -> DECID  z  =  1
)
17 dfordc 882 . . . . . . . . . . . . 13  |-  (DECID  z  =  1  ->  ( (
z  =  1  \/  z  =  P )  <-> 
( -.  z  =  1  ->  z  =  P ) ) )
1816, 17syl 14 . . . . . . . . . . . 12  |-  ( z  e.  NN  ->  (
( z  =  1  \/  z  =  P )  <->  ( -.  z  =  1  ->  z  =  P ) ) )
1912, 18bitr4id 198 . . . . . . . . . . 11  |-  ( z  e.  NN  ->  (
( z  =/=  1  ->  z  =  P )  <-> 
( z  =  1  \/  z  =  P ) ) )
2019imbi2d 229 . . . . . . . . . 10  |-  ( z  e.  NN  ->  (
( z  ||  P  ->  ( z  =/=  1  ->  z  =  P ) )  <->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
2110, 20syl5bb 191 . . . . . . . . 9  |-  ( z  e.  NN  ->  (
( z  =/=  1  ->  ( z  ||  P  ->  z  =  P ) )  <->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
2221imbi2d 229 . . . . . . . 8  |-  ( z  e.  NN  ->  (
( z  e.  NN  ->  ( z  =/=  1  ->  ( z  ||  P  ->  z  =  P ) ) )  <->  ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) ) )
239, 22syl5bb 191 . . . . . . 7  |-  ( z  e.  NN  ->  (
( ( z  e.  NN  /\  z  =/=  1 )  ->  (
z  ||  P  ->  z  =  P ) )  <-> 
( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) ) )
248, 23syl5bb 191 . . . . . 6  |-  ( z  e.  NN  ->  (
( z  e.  (
ZZ>= `  2 )  -> 
( z  ||  P  ->  z  =  P ) )  <->  ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) ) )
2524pm5.74i 179 . . . . 5  |-  ( ( z  e.  NN  ->  ( z  e.  ( ZZ>= ` 
2 )  ->  (
z  ||  P  ->  z  =  P ) ) )  <->  ( z  e.  NN  ->  ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) ) )
26 pm5.4 248 . . . . 5  |-  ( ( z  e.  NN  ->  ( z  e.  NN  ->  ( z  ||  P  -> 
( z  =  1  \/  z  =  P ) ) ) )  <-> 
( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
276, 25, 263bitri 205 . . . 4  |-  ( ( z  e.  ( ZZ>= ` 
2 )  ->  (
z  ||  P  ->  z  =  P ) )  <-> 
( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
2827ralbii2 2476 . . 3  |-  ( A. z  e.  ( ZZ>= ` 
2 ) ( z 
||  P  ->  z  =  P )  <->  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) )
2928anbi2i 453 . 2  |-  ( ( P  e.  ( ZZ>= ` 
2 )  /\  A. z  e.  ( ZZ>= ` 
2 ) ( z 
||  P  ->  z  =  P ) )  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
301, 29bitr4i 186 1  |-  ( P  e.  Prime  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  (
ZZ>= `  2 ) ( z  ||  P  -> 
z  =  P ) ) )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    /\ wa 103    <-> wb 104    \/ wo 698  DECID wdc 824    = wceq 1343    e. wcel 2136    =/= wne 2336   A.wral 2444   class class class wbr 3982   ` cfv 5188   1c1 7754   NNcn 8857   2c2 8908   ZZcz 9191   ZZ>=cuz 9466    || cdvds 11727   Primecprime 12039
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 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-13 2138  ax-14 2139  ax-ext 2147  ax-coll 4097  ax-sep 4100  ax-nul 4108  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514  ax-iinf 4565  ax-cnex 7844  ax-resscn 7845  ax-1cn 7846  ax-1re 7847  ax-icn 7848  ax-addcl 7849  ax-addrcl 7850  ax-mulcl 7851  ax-mulrcl 7852  ax-addcom 7853  ax-mulcom 7854  ax-addass 7855  ax-mulass 7856  ax-distr 7857  ax-i2m1 7858  ax-0lt1 7859  ax-1rid 7860  ax-0id 7861  ax-rnegex 7862  ax-precex 7863  ax-cnre 7864  ax-pre-ltirr 7865  ax-pre-ltwlin 7866  ax-pre-lttrn 7867  ax-pre-apti 7868  ax-pre-ltadd 7869  ax-pre-mulgt0 7870  ax-pre-mulext 7871  ax-arch 7872  ax-caucvg 7873
This theorem depends on definitions:  df-bi 116  df-dc 825  df-3or 969  df-3an 970  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-nel 2432  df-ral 2449  df-rex 2450  df-reu 2451  df-rmo 2452  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-nul 3410  df-if 3521  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-int 3825  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-tr 4081  df-id 4271  df-po 4274  df-iso 4275  df-iord 4344  df-on 4346  df-ilim 4347  df-suc 4349  df-iom 4568  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-riota 5798  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-recs 6273  df-frec 6359  df-1o 6384  df-2o 6385  df-er 6501  df-en 6707  df-pnf 7935  df-mnf 7936  df-xr 7937  df-ltxr 7938  df-le 7939  df-sub 8071  df-neg 8072  df-reap 8473  df-ap 8480  df-div 8569  df-inn 8858  df-2 8916  df-3 8917  df-4 8918  df-n0 9115  df-z 9192  df-uz 9467  df-q 9558  df-rp 9590  df-seqfrec 10381  df-exp 10455  df-cj 10784  df-re 10785  df-im 10786  df-rsqrt 10940  df-abs 10941  df-dvds 11728  df-prm 12040
This theorem is referenced by:  nprm  12055  prmuz2  12063  dvdsprm  12069
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