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Mirrors > Home > ILE Home > Th. List > numdensq | Unicode version |
Description: Squaring a rational squares its canonical components. (Contributed by Stefan O'Rear, 15-Sep-2014.) |
Ref | Expression |
---|---|
numdensq | numer numer denom denom |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | qnumdencoprm 12047 | . . . 4 numer denom | |
2 | 1 | oveq1d 5833 | . . 3 numer denom |
3 | qnumcl 12042 | . . . 4 numer | |
4 | qdencl 12043 | . . . . 5 denom | |
5 | 4 | nnzd 9268 | . . . 4 denom |
6 | zgcdsq 12055 | . . . 4 numer denom numer denom numer denom | |
7 | 3, 5, 6 | syl2anc 409 | . . 3 numer denom numer denom |
8 | sq1 10494 | . . . 4 | |
9 | 8 | a1i 9 | . . 3 |
10 | 2, 7, 9 | 3eqtr3d 2198 | . 2 numer denom |
11 | qeqnumdivden 12048 | . . . 4 numer denom | |
12 | 11 | oveq1d 5833 | . . 3 numer denom |
13 | 3 | zcnd 9270 | . . . 4 numer |
14 | 4 | nncnd 8830 | . . . 4 denom |
15 | 4 | nnap0d 8862 | . . . 4 denom # |
16 | 13, 14, 15 | sqdivapd 10546 | . . 3 numer denom numer denom |
17 | 12, 16 | eqtrd 2190 | . 2 numer denom |
18 | qsqcl 10472 | . . 3 | |
19 | zsqcl 10471 | . . . 4 numer numer | |
20 | 3, 19 | syl 14 | . . 3 numer |
21 | 4 | nnsqcld 10554 | . . 3 denom |
22 | qnumdenbi 12046 | . . 3 numer denom numer denom numer denom numer numer denom denom | |
23 | 18, 20, 21, 22 | syl3anc 1220 | . 2 numer denom numer denom numer numer denom denom |
24 | 10, 17, 23 | mpbi2and 928 | 1 numer numer denom denom |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1335 wcel 2128 cfv 5167 (class class class)co 5818 c1 7716 cdiv 8528 cn 8816 c2 8867 cz 9150 cq 9510 cexp 10400 cgcd 11810 numercnumer 12035 denomcdenom 12036 |
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 4134 ax-pr 4168 ax-un 4392 ax-setind 4494 ax-iinf 4545 ax-cnex 7806 ax-resscn 7807 ax-1cn 7808 ax-1re 7809 ax-icn 7810 ax-addcl 7811 ax-addrcl 7812 ax-mulcl 7813 ax-mulrcl 7814 ax-addcom 7815 ax-mulcom 7816 ax-addass 7817 ax-mulass 7818 ax-distr 7819 ax-i2m1 7820 ax-0lt1 7821 ax-1rid 7822 ax-0id 7823 ax-rnegex 7824 ax-precex 7825 ax-cnre 7826 ax-pre-ltirr 7827 ax-pre-ltwlin 7828 ax-pre-lttrn 7829 ax-pre-apti 7830 ax-pre-ltadd 7831 ax-pre-mulgt0 7832 ax-pre-mulext 7833 ax-arch 7834 ax-caucvg 7835 |
This theorem depends on definitions: df-bi 116 df-stab 817 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 4252 df-po 4255 df-iso 4256 df-iord 4325 df-on 4327 df-ilim 4328 df-suc 4330 df-iom 4548 df-xp 4589 df-rel 4590 df-cnv 4591 df-co 4592 df-dm 4593 df-rn 4594 df-res 4595 df-ima 4596 df-iota 5132 df-fun 5169 df-fn 5170 df-f 5171 df-f1 5172 df-fo 5173 df-f1o 5174 df-fv 5175 df-riota 5774 df-ov 5821 df-oprab 5822 df-mpo 5823 df-1st 6082 df-2nd 6083 df-recs 6246 df-frec 6332 df-sup 6920 df-pnf 7897 df-mnf 7898 df-xr 7899 df-ltxr 7900 df-le 7901 df-sub 8031 df-neg 8032 df-reap 8433 df-ap 8440 df-div 8529 df-inn 8817 df-2 8875 df-3 8876 df-4 8877 df-n0 9074 df-z 9151 df-uz 9423 df-q 9511 df-rp 9543 df-fz 9895 df-fzo 10024 df-fl 10151 df-mod 10204 df-seqfrec 10327 df-exp 10401 df-cj 10724 df-re 10725 df-im 10726 df-rsqrt 10880 df-abs 10881 df-dvds 11666 df-gcd 11811 df-numer 12037 df-denom 12038 |
This theorem is referenced by: numsq 12057 densq 12058 |
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