Theorem recidpipr 8031

Description: Another way of saying that a number times its reciprocal is one. (Contributed by Jim Kingdon, 17-Jul-2021.)

Assertion

Ref	Expression
recidpipr	|- ( N e. N. -> ( <. { l | l <Q [ <. N , 1o >. ] ~Q } , { u | [ <. N , 1o >. ] ~Q <Q u } >. .P. <. { l | l <Q ( *Q ` [ <. N , 1o >. ] ~Q ) } , { u | ( *Q ` [ <. N , 1o >. ] ~Q ) <Q u } >. ) = 1P )

Distinct variable group:   N, l, u

Proof of Theorem recidpipr

Step	Hyp	Ref	Expression
1		nnnq 7597	. . 3 |- ( N e. N. -> [ <. N , 1o >. ] ~Q e. Q. )
2		recclnq 7567	. . . 4 |- ( [ <. N , 1o >. ] ~Q e. Q. -> ( *Q ` [ <. N , 1o >. ] ~Q ) e. Q. )
3	1, 2	syl 14	. . 3 |- ( N e. N. -> ( *Q ` [ <. N , 1o >. ] ~Q ) e. Q. )
4		mulnqpr 7752	. . 3 |- ( ( [ <. N , 1o >. ] ~Q e. Q. /\ ( *Q ` [ <. N , 1o >. ] ~Q ) e. Q. ) -> <. { l | l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) } , { u | ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u } >. = ( <. { l | l <Q [ <. N , 1o >. ] ~Q } , { u | [ <. N , 1o >. ] ~Q <Q u } >. .P. <. { l | l <Q ( *Q ` [ <. N , 1o >. ] ~Q ) } , { u | ( *Q ` [ <. N , 1o >. ] ~Q ) <Q u } >. ) )
5	1, 3, 4	syl2anc 411	. 2 |- ( N e. N. -> <. { l | l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) } , { u | ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u } >. = ( <. { l | l <Q [ <. N , 1o >. ] ~Q } , { u | [ <. N , 1o >. ] ~Q <Q u } >. .P. <. { l | l <Q ( *Q ` [ <. N , 1o >. ] ~Q ) } , { u | ( *Q ` [ <. N , 1o >. ] ~Q ) <Q u } >. ) )
6		recidnq 7568	. . . . . . 7 |- ( [ <. N , 1o >. ] ~Q e. Q. -> ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) = 1Q )
7	1, 6	syl 14	. . . . . 6 |- ( N e. N. -> ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) = 1Q )
8	7	breq2d 4094	. . . . 5 |- ( N e. N. -> ( l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <-> l <Q 1Q ) )
9	8	abbidv 2347	. . . 4 |- ( N e. N. -> { l | l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) } = { l | l <Q 1Q } )
10	7	breq1d 4092	. . . . 5 |- ( N e. N. -> ( ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u <-> 1Q <Q u ) )
11	10	abbidv 2347	. . . 4 |- ( N e. N. -> { u | ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u } = { u | 1Q <Q u } )
12	9, 11	opeq12d 3864	. . 3 |- ( N e. N. -> <. { l | l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) } , { u | ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u } >. = <. { l | l <Q 1Q } , { u | 1Q <Q u } >. )
13		df-i1p 7642	. . 3 |- 1P = <. { l | l <Q 1Q } , { u | 1Q <Q u } >.
14	12, 13	eqtr4di 2280	. 2 |- ( N e. N. -> <. { l | l <Q ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) } , { u | ( [ <. N , 1o >. ] ~Q .Q ( *Q ` [ <. N , 1o >. ] ~Q ) ) <Q u } >. = 1P )
15	5, 14	eqtr3d 2264	1 |- ( N e. N. -> ( <. { l | l <Q [ <. N , 1o >. ] ~Q } , { u | [ <. N , 1o >. ] ~Q <Q u } >. .P. <. { l | l <Q ( *Q ` [ <. N , 1o >. ] ~Q ) } , { u | ( *Q ` [ <. N , 1o >. ] ~Q ) <Q u } >. ) = 1P )

Syntax hints:   -> wi 4   = wceq 1395   e. wcel 2200   {cab 2215   <.cop 3669   class class class wbr 4082   ` cfv 5314  (class class class)co 5994   1oc1o 6545   [cec 6668   N.cnpi 7447   ~Q ceq 7454   Q.cnq 7455   1Qc1q 7456   .Q cmq 7458   *Qcrq 7459   <Q cltq 7460   1Pc1p 7467   .P. cmp 7469

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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4198  ax-sep 4201  ax-nul 4209  ax-pow 4257  ax-pr 4292  ax-un 4521  ax-setind 4626  ax-iinf 4677

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-tr 4182  df-eprel 4377  df-id 4381  df-po 4384  df-iso 4385  df-iord 4454  df-on 4456  df-suc 4459  df-iom 4680  df-xp 4722  df-rel 4723  df-cnv 4724  df-co 4725  df-dm 4726  df-rn 4727  df-res 4728  df-ima 4729  df-iota 5274  df-fun 5316  df-fn 5317  df-f 5318  df-f1 5319  df-fo 5320  df-f1o 5321  df-fv 5322  df-ov 5997  df-oprab 5998  df-mpo 5999  df-1st 6276  df-2nd 6277  df-recs 6441  df-irdg 6506  df-1o 6552  df-2o 6553  df-oadd 6556  df-omul 6557  df-er 6670  df-ec 6672  df-qs 6676  df-ni 7479  df-pli 7480  df-mi 7481  df-lti 7482  df-plpq 7519  df-mpq 7520  df-enq 7522  df-nqqs 7523  df-plqqs 7524  df-mqqs 7525  df-1nqqs 7526  df-rq 7527  df-ltnqqs 7528  df-enq0 7599  df-nq0 7600  df-0nq0 7601  df-plq0 7602  df-mq0 7603  df-inp 7641  df-i1p 7642  df-imp 7644

This theorem is referenced by:  recidpirq  8033