difsqpwdvds - Intuitionistic Logic Explorer

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Theorem difsqpwdvds 13117

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 9573	. . . . . . 7
2		nn0cn 9573	. . . . . . 7
3	1, 2	anim12i 338	. . . . . 6 $/\$ $/\$
4	3	3adant3 1048	. . . . 5 $/\$ $/\$ $/\$
5		subsq 11083	. . . . 5 $/\$
6	4, 5	syl 14	. . . 4 $/\$ $/\$
7	6	adantr 276	. . 3 $/\$ $/\$ $/\$ $/\$
8	7	eqeq2d 2250	. 2 $/\$ $/\$ $/\$ $/\$
9		simprl 535	. . . . . . 7 $/\$ $/\$ $/\$ $/\$
10		nn0z 9664	. . . . . . . . . . . 12
11		nn0z 9664	. . . . . . . . . . . 12
12	10, 11	anim12i 338	. . . . . . . . . . 11 $/\$ $/\$
13		zaddcl 9684	. . . . . . . . . . 11 $/\$
14	12, 13	syl 14	. . . . . . . . . 10 $/\$
15	14	3adant3 1048	. . . . . . . . 9 $/\$ $/\$
16		nn0re 9572	. . . . . . . . . . . . 13
17	16	adantl 277	. . . . . . . . . . . 12 $/\$
18		1red 8341	. . . . . . . . . . . 12 $/\$
19		nn0re 9572	. . . . . . . . . . . . 13
20	19	adantr 276	. . . . . . . . . . . 12 $/\$
21	17, 18, 20	ltaddsub2d 8874	. . . . . . . . . . 11 $/\$
22		simpr 110	. . . . . . . . . . . . 13 $/\$
23	20, 22, 18	3jca 1208	. . . . . . . . . . . 12 $/\$ $/\$ $/\$
24		difgtsumgt 9714	. . . . . . . . . . . 12 $/\$ $/\$
25	23, 24	syl 14	. . . . . . . . . . 11 $/\$
26	21, 25	sylbid 150	. . . . . . . . . 10 $/\$
27	26	3impia 1231	. . . . . . . . 9 $/\$ $/\$
28		eluz2b1 10001	. . . . . . . . 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 9685	. . . . . . . . . . 11 $/\$
35	13, 34	jca 306	. . . . . . . . . 10 $/\$ $/\$
36	12, 35	syl 14	. . . . . . . . 9 $/\$ $/\$
37	36	3adant3 1048	. . . . . . . 8 $/\$ $/\$ $/\$
38		dvdsmul1 12580	. . . . . . . 8 $/\$
39	37, 38	syl 14	. . . . . . 7 $/\$ $/\$
40	39	ad2antrr 492	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
41		breq2 4134	. . . . . . 7
42	41	adantl 277	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
43	40, 42	mpbird 167	. . . . 5 $/\$ $/\$ $/\$ $/\$ $/\$
44		dvdsprmpweqnn 13115	. . . . 5 $/\$ $/\$
45	33, 43, 44	sylc 62	. . . 4 $/\$ $/\$ $/\$ $/\$ $/\$
46		prmz 12889	. . . . . . . . . . 11
47		iddvdsexp 12582	. . . . . . . . . . 11 $/\$
48	46, 47	sylan 283	. . . . . . . . . 10 $/\$
49		breq2 4134	. . . . . . . . . 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 10001	. . . . . . . . . . 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 12581	. . . . . . . . . 10 $/\$
64	37, 63	syl 14	. . . . . . . . 9 $/\$ $/\$
65	64	ad2antrr 492	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$ $/\$
66		breq2 4134	. . . . . . . . 9
67	66	adantl 277	. . . . . . . 8 $/\$ $/\$ $/\$ $/\$ $/\$
68	65, 67	mpbird 167	. . . . . . 7 $/\$ $/\$ $/\$ $/\$ $/\$
69		dvdsprmpweqnn 13115	. . . . . . 7 $/\$ $/\$
70	62, 68, 69	sylc 62	. . . . . 6 $/\$ $/\$ $/\$ $/\$ $/\$
71		iddvdsexp 12582	. . . . . . . . . . . . 13 $/\$
72	46, 71	sylan 283	. . . . . . . . . . . 12 $/\$
73		breq2 4134	. . . . . . . . . . . 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 12593	. . . . . . . . . . 11 $/\$ $/\$ $/\$
84	82, 83	syl 14	. . . . . . . . . 10 $/\$ $/\$ $/\$ $/\$ $/\$
85	1	3ad2ant1 1049	. . . . . . . . . . . . . . 15 $/\$ $/\$
86	2	3ad2ant2 1050	. . . . . . . . . . . . . . 15 $/\$ $/\$
87	85, 86, 86	pnncand 8676	. . . . . . . . . . . . . 14 $/\$ $/\$
88	2	2timesd 9548	. . . . . . . . . . . . . . . 16
89	88	eqcomd 2244	. . . . . . . . . . . . . . 15
90	89	3ad2ant2 1050	. . . . . . . . . . . . . 14 $/\$ $/\$
91	87, 90	eqtrd 2271	. . . . . . . . . . . . 13 $/\$ $/\$
92	91	breq2d 4142	. . . . . . . . . . . 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

This proof depends on syntax axioms:

wi 4 $/\$ wa 104

wb 105 $/\$ w3a 1009

wceq 1402

wcel 2209

wrex 2529 class class class wbr 4130

cfv 5377 (class class class)co 6085

cc 8177

cr 8178

c1 8180

caddc 8182

cmul 8184

clt 8360

cmin 8497

cn 9304

c2 9355

cn0 9563

cz 9644

cuz 9921

cexp 10975

cdvds 12554

cprime 12885

This proof depends on 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 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulrcl 8278 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-precex 8289 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-apti 8294 ax-pre-ltadd 8295 ax-pre-mulgt0 8296 ax-pre-mulext 8297 ax-arch 8298 ax-caucvg 8299

This proof 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 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-po 4441 df-iso 4442 df-iord 4511 df-on 4513 df-ilim 4514 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-isom 5386 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-recs 6576 df-frec 6662 df-1o 6687 df-2o 6688 df-er 6807 df-en 7023 df-sup 7324 df-inf 7325 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8499 df-neg 8500 df-reap 8903 df-ap 8910 df-div 9003 df-inn 9305 df-2 9363 df-3 9364 df-4 9365 df-n0 9564 df-xnn0 9631 df-z 9645 df-uz 9922 df-q 10020 df-rp 10055 df-fz 10412 df-fzo 10550 df-fl 10705 df-mod 10760 df-seqfrec 10885 df-exp 10976 df-cj 11607 df-re 11608 df-im 11609 df-rsqrt 11764 df-abs 11765 df-dvds 12555 df-gcd 12731 df-prm 12886 df-pc 13064

This theorem is used by: (None)

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