Theorem isprm4 11995

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

Step	Hyp	Ref	Expression
1		isprm2 11993	. 2 |- ( P e. Prime <-> ( P e. ( ZZ>= ` 2 ) /\ A. z e. NN ( z || P -> ( z = 1 \/ z = P ) ) ) )
2		eluz2nn 9477	. . . . . . . 8 |- ( z e. ( ZZ>= ` 2 ) -> z e. NN )
3	2	pm4.71ri 390	. . . . . . 7 |- ( z e. ( ZZ>= ` 2 ) <-> ( z e. NN /\ z e. ( ZZ>= ` 2 ) ) )
4	3	imbi1i 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 ) ) ) )
6	4, 5	bitri 183	. . . . 5 |- ( ( z e. ( ZZ>= ` 2 ) -> ( z || P -> z = P ) ) <-> ( z e. NN -> ( z e. ( ZZ>= ` 2 ) -> ( z || P -> z = P ) ) ) )
7		eluz2b3 9515	. . . . . . . 8 |- ( z e. ( ZZ>= ` 2 ) <-> ( z e. NN /\ z =/= 1 ) )
8	7	imbi1i 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 2328	. . . . . . . . . . . . 13 |- ( z =/= 1 <-> -. z = 1 )
12	11	imbi1i 237	. . . . . . . . . . . 12 |- ( ( z =/= 1 -> z = P ) <-> ( -. z = 1 -> z = P ) )
13		nnz 9186	. . . . . . . . . . . . . 14 |- ( z e. NN -> z e. ZZ )
14		1zzd 9194	. . . . . . . . . . . . . 14 |- ( z e. NN -> 1 e. ZZ )
15		zdceq 9239	. . . . . . . . . . . . . 14 |- ( ( z e. ZZ /\ 1 e. ZZ ) -> DECID z = 1 )
16	13, 14, 15	syl2anc 409	. . . . . . . . . . . . 13 |- ( z e. NN -> DECID z = 1 )
17		dfordc 878	. . . . . . . . . . . . 13 |- (DECID z = 1 -> ( ( z = 1 \/ z = P ) <-> ( -. z = 1 -> z = P ) ) )
18	16, 17	syl 14	. . . . . . . . . . . 12 |- ( z e. NN -> ( ( z = 1 \/ z = P ) <-> ( -. z = 1 -> z = P ) ) )
19	12, 18	bitr4id 198	. . . . . . . . . . 11 |- ( z e. NN -> ( ( z =/= 1 -> z = P ) <-> ( z = 1 \/ z = P ) ) )
20	19	imbi2d 229	. . . . . . . . . 10 |- ( z e. NN -> ( ( z || P -> ( z =/= 1 -> z = P ) ) <-> ( z || P -> ( z = 1 \/ z = P ) ) ) )
21	10, 20	syl5bb 191	. . . . . . . . 9 |- ( z e. NN -> ( ( z =/= 1 -> ( z || P -> z = P ) ) <-> ( z || P -> ( z = 1 \/ z = P ) ) ) )
22	21	imbi2d 229	. . . . . . . 8 |- ( z e. NN -> ( ( z e. NN -> ( z =/= 1 -> ( z || P -> z = P ) ) ) <-> ( z e. NN -> ( z || P -> ( z = 1 \/ z = P ) ) ) ) )
23	9, 22	syl5bb 191	. . . . . . 7 |- ( z e. NN -> ( ( ( z e. NN /\ z =/= 1 ) -> ( z || P -> z = P ) ) <-> ( z e. NN -> ( z || P -> ( z = 1 \/ z = P ) ) ) ) )
24	8, 23	syl5bb 191	. . . . . 6 |- ( z e. NN -> ( ( z e. ( ZZ>= ` 2 ) -> ( z || P -> z = P ) ) <-> ( z e. NN -> ( z || P -> ( z = 1 \/ z = P ) ) ) ) )
25	24	pm5.74i 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 ) ) ) )
27	6, 25, 26	3bitri 205	. . . 4 |- ( ( z e. ( ZZ>= ` 2 ) -> ( z || P -> z = P ) ) <-> ( z e. NN -> ( z || P -> ( z = 1 \/ z = P ) ) ) )
28	27	ralbii2 2467	. . 3 |- ( A. z e. ( ZZ>= ` 2 ) ( z || P -> z = P ) <-> A. z e. NN ( z || P -> ( z = 1 \/ z = P ) ) )
29	28	anbi2i 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 ) ) ) )
30	1, 29	bitr4i 186	1 |- ( P e. Prime <-> ( P e. ( ZZ>= ` 2 ) /\ A. z e. ( ZZ>= ` 2 ) ( z || P -> z = P ) ) )

Syntax hints:   -. wn 3   -> wi 4   /\ wa 103   <-> wb 104   \/ wo 698  DECID wdc 820   = wceq 1335   e. wcel 2128   =/= wne 2327   A.wral 2435   class class class wbr 3965   ` cfv 5170   1c1 7733   NNcn 8833   2c2 8884   ZZcz 9167   ZZ>=cuz 9439   || cdvds 11683   Primecprime 11983

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 1427  ax-7 1428  ax-gen 1429  ax-ie1 1473  ax-ie2 1474  ax-8 1484  ax-10 1485  ax-11 1486  ax-i12 1487  ax-bndl 1489  ax-4 1490  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-13 2130  ax-14 2131  ax-ext 2139  ax-coll 4079  ax-sep 4082  ax-nul 4090  ax-pow 4135  ax-pr 4169  ax-un 4393  ax-setind 4496  ax-iinf 4547  ax-cnex 7823  ax-resscn 7824  ax-1cn 7825  ax-1re 7826  ax-icn 7827  ax-addcl 7828  ax-addrcl 7829  ax-mulcl 7830  ax-mulrcl 7831  ax-addcom 7832  ax-mulcom 7833  ax-addass 7834  ax-mulass 7835  ax-distr 7836  ax-i2m1 7837  ax-0lt1 7838  ax-1rid 7839  ax-0id 7840  ax-rnegex 7841  ax-precex 7842  ax-cnre 7843  ax-pre-ltirr 7844  ax-pre-ltwlin 7845  ax-pre-lttrn 7846  ax-pre-apti 7847  ax-pre-ltadd 7848  ax-pre-mulgt0 7849  ax-pre-mulext 7850  ax-arch 7851  ax-caucvg 7852

This theorem depends on definitions:  df-bi 116  df-dc 821  df-3or 964  df-3an 965  df-tru 1338  df-fal 1341  df-nf 1441  df-sb 1743  df-eu 2009  df-mo 2010  df-clab 2144  df-cleq 2150  df-clel 2153  df-nfc 2288  df-ne 2328  df-nel 2423  df-ral 2440  df-rex 2441  df-reu 2442  df-rmo 2443  df-rab 2444  df-v 2714  df-sbc 2938  df-csb 3032  df-dif 3104  df-un 3106  df-in 3108  df-ss 3115  df-nul 3395  df-if 3506  df-pw 3545  df-sn 3566  df-pr 3567  df-op 3569  df-uni 3773  df-int 3808  df-iun 3851  df-br 3966  df-opab 4026  df-mpt 4027  df-tr 4063  df-id 4253  df-po 4256  df-iso 4257  df-iord 4326  df-on 4328  df-ilim 4329  df-suc 4331  df-iom 4550  df-xp 4592  df-rel 4593  df-cnv 4594  df-co 4595  df-dm 4596  df-rn 4597  df-res 4598  df-ima 4599  df-iota 5135  df-fun 5172  df-fn 5173  df-f 5174  df-f1 5175  df-fo 5176  df-f1o 5177  df-fv 5178  df-riota 5780  df-ov 5827  df-oprab 5828  df-mpo 5829  df-1st 6088  df-2nd 6089  df-recs 6252  df-frec 6338  df-1o 6363  df-2o 6364  df-er 6480  df-en 6686  df-pnf 7914  df-mnf 7915  df-xr 7916  df-ltxr 7917  df-le 7918  df-sub 8048  df-neg 8049  df-reap 8450  df-ap 8457  df-div 8546  df-inn 8834  df-2 8892  df-3 8893  df-4 8894  df-n0 9091  df-z 9168  df-uz 9440  df-q 9529  df-rp 9561  df-seqfrec 10345  df-exp 10419  df-cj 10742  df-re 10743  df-im 10744  df-rsqrt 10898  df-abs 10899  df-dvds 11684  df-prm 11984

This theorem is referenced by:  nprm  11999  prmuz2  12007  dvdsprm  12013