difsqpwdvds - Intuitionistic Logic Explorer

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Theorem difsqpwdvds 13095

Description: If the difference of two squares is a power of a prime, the prime divides twice the second squared number. (Contributed by AV, 13-Aug-2021.)

**Assertion**
Ref	Expression
difsqpwdvds	$/\$ $/\$ $/\$ $/\$

Proof of Theorem difsqpwdvds Dummy variables

are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		nn0cn 9552	. . . . . . 7
2		nn0cn 9552	. . . . . . 7
3	1, 2	anim12i 338	. . . . . 6 $/\$ $/\$
4	3	3adant3 1048	. . . . 5 $/\$ $/\$ $/\$
5		subsq 11061	. . . . 5 $/\$
6	4, 5	syl 14	. . . 4 $/\$ $/\$
7	6	adantr 276	. . 3 $/\$ $/\$ $/\$ $/\$
8	7	eqeq2d 2250	. 2 $/\$ $/\$ $/\$ $/\$
9		simprl 535	. . . . . . 7 $/\$ $/\$ $/\$ $/\$
10		nn0z 9643	. . . . . . . . . . . 12
11		nn0z 9643	. . . . . . . . . . . 12
12	10, 11	anim12i 338	. . . . . . . . . . 11 $/\$ $/\$
13		zaddcl 9663	. . . . . . . . . . 11 $/\$
14	12, 13	syl 14	. . . . . . . . . 10 $/\$
15	14	3adant3 1048	. . . . . . . . 9 $/\$ $/\$
16		nn0re 9551	. . . . . . . . . . . . 13
17	16	adantl 277	. . . . . . . . . . . 12 $/\$
18		1red 8331	. . . . . . . . . . . 12 $/\$
19		nn0re 9551	. . . . . . . . . . . . 13
20	19	adantr 276	. . . . . . . . . . . 12 $/\$
21	17, 18, 20	ltaddsub2d 8864	. . . . . . . . . . 11 $/\$
22		simpr 110	. . . . . . . . . . . . 13 $/\$
23	20, 22, 18	3jca 1208	. . . . . . . . . . . 12 $/\$ $/\$ $/\$
24		difgtsumgt 9693	. . . . . . . . . . . 12 $/\$ $/\$
25	23, 24	syl 14	. . . . . . . . . . 11 $/\$
26	21, 25	sylbid 150	. . . . . . . . . 10 $/\$
27	26	3impia 1231	. . . . . . . . 9 $/\$ $/\$
28		eluz2b1 9980	. . . . . . . . 9 $/\$
29	15, 27, 28	sylanbrc 421	. . . . . . . 8 $/\$ $/\$
30	29	adantr 276	. . . . . . 7 $/\$ $/\$ $/\$ $/\$
31		simprr 537	. . . . . . 7 $/\$ $/\$ $/\$ $/\$
32	9, 30, 31	3jca 1208	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
33	32	adantr 276	. . . . 5 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
34		zsubcl 9664	. . . . . . . . . . 11 $/\$
35	13, 34	jca 306	. . . . . . . . . 10 $/\$ $/\$
36	12, 35	syl 14	. . . . . . . . 9 $/\$ $/\$
37	36	3adant3 1048	. . . . . . . 8 $/\$ $/\$ $/\$
38		dvdsmul1 12558	. . . . . . . 8 $/\$
39	37, 38	syl 14	. . . . . . 7 $/\$ $/\$
40	39	ad2antrr 492	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
41		breq2 4129	. . . . . . 7
42	41	adantl 277	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
43	40, 42	mpbird 167	. . . . 5 $/\$ $/\$ $/\$ $/\$ $/\$
44		dvdsprmpweqnn 13093	. . . . 5 $/\$ $/\$
45	33, 43, 44	sylc 62	. . . 4 $/\$ $/\$ $/\$ $/\$ $/\$
46		prmz 12867	. . . . . . . . . . 11
47		iddvdsexp 12560	. . . . . . . . . . 11 $/\$
48	46, 47	sylan 283	. . . . . . . . . 10 $/\$
49		breq2 4129	. . . . . . . . . 10
50	48, 49	syl5ibrcom 157	. . . . . . . . 9 $/\$
51	50	rexlimdva 2668	. . . . . . . 8
52	51	adantr 276	. . . . . . 7 $/\$
53	52	adantl 277	. . . . . 6 $/\$ $/\$ $/\$ $/\$
54	53	adantr 276	. . . . 5 $/\$ $/\$ $/\$ $/\$ $/\$
55	12, 34	syl 14	. . . . . . . . . . . 12 $/\$
56	55	3adant3 1048	. . . . . . . . . . 11 $/\$ $/\$
57	21	biimp3a 1386	. . . . . . . . . . 11 $/\$ $/\$
58		eluz2b1 9980	. . . . . . . . . . 11 $/\$
59	56, 57, 58	sylanbrc 421	. . . . . . . . . 10 $/\$ $/\$
60	59	adantr 276	. . . . . . . . 9 $/\$ $/\$ $/\$ $/\$
61	9, 60, 31	3jca 1208	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
62	61	adantr 276	. . . . . . 7 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
63		dvdsmul2 12559	. . . . . . . . . 10 $/\$
64	37, 63	syl 14	. . . . . . . . 9 $/\$ $/\$
65	64	ad2antrr 492	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$ $/\$
66		breq2 4129	. . . . . . . . 9
67	66	adantl 277	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$ $/\$
68	65, 67	mpbird 167	. . . . . . 7 $/\$ $/\$ $/\$ $/\$ $/\$
69		dvdsprmpweqnn 13093	. . . . . . 7 $/\$ $/\$
70	62, 68, 69	sylc 62	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
71		iddvdsexp 12560	. . . . . . . . . . . . 13 $/\$
72	46, 71	sylan 283	. . . . . . . . . . . 12 $/\$
73		breq2 4129	. . . . . . . . . . . 12
74	72, 73	syl5ibrcom 157	. . . . . . . . . . 11 $/\$
75	74	rexlimdva 2668	. . . . . . . . . 10
76	75	adantr 276	. . . . . . . . 9 $/\$
77	76	adantl 277	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$
78	77	adantr 276	. . . . . . 7 $/\$ $/\$ $/\$ $/\$ $/\$
79	46	adantr 276	. . . . . . . . . . . . 13 $/\$
80	37, 79	anim12ci 339	. . . . . . . . . . . 12 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
81		3anass 1013	. . . . . . . . . . . 12 $/\$ $/\$ $/\$ $/\$
82	80, 81	sylibr 134	. . . . . . . . . . 11 $/\$ $/\$ $/\$ $/\$ $/\$ $/\$
83		dvds2sub 12571	. . . . . . . . . . 11 $/\$ $/\$ $/\$
84	82, 83	syl 14	. . . . . . . . . 10 $/\$ $/\$ $/\$ $/\$ $/\$
85	1	3ad2ant1 1049	. . . . . . . . . . . . . . 15 $/\$ $/\$
86	2	3ad2ant2 1050	. . . . . . . . . . . . . . 15 $/\$ $/\$
87	85, 86, 86	pnncand 8666	. . . . . . . . . . . . . 14 $/\$ $/\$
88	2	2timesd 9527	. . . . . . . . . . . . . . . 16
89	88	eqcomd 2244	. . . . . . . . . . . . . . 15
90	89	3ad2ant2 1050	. . . . . . . . . . . . . 14 $/\$ $/\$
91	87, 90	eqtrd 2271	. . . . . . . . . . . . 13 $/\$ $/\$
92	91	breq2d 4137	. . . . . . . . . . . 12 $/\$ $/\$
93	92	biimpd 144	. . . . . . . . . . 11 $/\$ $/\$
94	93	adantr 276	. . . . . . . . . 10 $/\$ $/\$ $/\$ $/\$
95	84, 94	syld 45	. . . . . . . . 9 $/\$ $/\$ $/\$ $/\$ $/\$
96	95	expcomd 1491	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$
97	96	adantr 276	. . . . . . 7 $/\$ $/\$ $/\$ $/\$ $/\$
98	78, 97	syld 45	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
99	70, 98	mpd 13	. . . . 5 $/\$ $/\$ $/\$ $/\$ $/\$
100	54, 99	syld 45	. . . 4 $/\$ $/\$ $/\$ $/\$ $/\$
101	45, 100	mpd 13	. . 3 $/\$ $/\$ $/\$ $/\$ $/\$
102	101	ex 115	. 2 $/\$ $/\$ $/\$ $/\$
103	8, 102	sylbid 150	1 $/\$ $/\$ $/\$ $/\$

Colors of variables: wff set class

Syntax hints:

wi 4 $/\$ wa 104

wb 105 $/\$ w3a 1009

wceq 1402

wcel 2209

wrex 2529 class class class wbr 4125

cfv 5372 (class class class)co 6075

cc 8167

cr 8168

c1 8170

caddc 8172

cmul 8174

clt 8350

cmin 8487

cn 9283

c2 9334

cn0 9542

cz 9623

cuz 9900

cexp 10953

cdvds 12532

cprime 12863

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-mulrcl 8268 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-precex 8279 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 ax-pre-apti 8284 ax-pre-ltadd 8285 ax-pre-mulgt0 8286 ax-pre-mulext 8287 ax-arch 8288 ax-caucvg 8289

This theorem depends on definitions: df-bi 117 df-stab 843 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3636 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-po 4436 df-iso 4437 df-iord 4506 df-on 4508 df-ilim 4509 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-isom 5381 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-recs 6566 df-frec 6652 df-1o 6677 df-2o 6678 df-er 6797 df-en 7013 df-sup 7314 df-inf 7315 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-sub 8489 df-neg 8490 df-reap 8893 df-ap 8900 df-div 8993 df-inn 9284 df-2 9342 df-3 9343 df-4 9344 df-n0 9543 df-xnn0 9610 df-z 9624 df-uz 9901 df-q 9999 df-rp 10034 df-fz 10391 df-fzo 10528 df-fl 10683 df-mod 10738 df-seqfrec 10863 df-exp 10954 df-cj 11585 df-re 11586 df-im 11587 df-rsqrt 11742 df-abs 11743 df-dvds 12533 df-gcd 12709 df-prm 12864 df-pc 13042

This theorem is referenced by: (None)

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