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| Mirrors > Home > ILE Home > Th. List > sqrt2irraplemnn | Unicode version | ||
| Description: Lemma for sqrt2irrap 12813. The square root of 2 is apart from a positive rational expressed as a numerator and denominator. (Contributed by Jim Kingdon, 2-Oct-2021.) |
| Ref | Expression |
|---|---|
| sqrt2irraplemnn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. . . . . . 7
| |
| 2 | 1 | nnsqcld 11000 |
. . . . . 6
|
| 3 | 2 | nnred 9199 |
. . . . 5
|
| 4 | 0red 8223 |
. . . . . 6
| |
| 5 | 2 | nngt0d 9230 |
. . . . . 6
|
| 6 | 4, 3, 5 | ltled 8341 |
. . . . 5
|
| 7 | simpr 110 |
. . . . . . 7
| |
| 8 | 7 | nnsqcld 11000 |
. . . . . 6
|
| 9 | 8 | nnrpd 9972 |
. . . . 5
|
| 10 | 3, 6, 9 | sqrtdivd 11789 |
. . . 4
|
| 11 | 1 | nnred 9199 |
. . . . . 6
|
| 12 | 1 | nngt0d 9230 |
. . . . . . 7
|
| 13 | 4, 11, 12 | ltled 8341 |
. . . . . 6
|
| 14 | 11, 13 | sqrtsqd 11786 |
. . . . 5
|
| 15 | 7 | nnred 9199 |
. . . . . 6
|
| 16 | 7 | nngt0d 9230 |
. . . . . . 7
|
| 17 | 4, 15, 16 | ltled 8341 |
. . . . . 6
|
| 18 | 15, 17 | sqrtsqd 11786 |
. . . . 5
|
| 19 | 14, 18 | oveq12d 6046 |
. . . 4
|
| 20 | 10, 19 | eqtrd 2264 |
. . 3
|
| 21 | sqne2sq 12810 |
. . . . . 6
| |
| 22 | 2 | nncnd 9200 |
. . . . . . . 8
|
| 23 | 2cnd 9259 |
. . . . . . . 8
| |
| 24 | 8 | nncnd 9200 |
. . . . . . . 8
|
| 25 | 8 | nnap0d 9232 |
. . . . . . . 8
|
| 26 | 22, 23, 24, 25 | divmulap3d 9048 |
. . . . . . 7
|
| 27 | 26 | necon3bid 2444 |
. . . . . 6
|
| 28 | 21, 27 | mpbird 167 |
. . . . 5
|
| 29 | 2 | nnzd 9644 |
. . . . . . 7
|
| 30 | znq 9901 |
. . . . . . 7
| |
| 31 | 29, 8, 30 | syl2anc 411 |
. . . . . 6
|
| 32 | 2z 9550 |
. . . . . . 7
| |
| 33 | zq 9903 |
. . . . . . 7
| |
| 34 | 32, 33 | mp1i 10 |
. . . . . 6
|
| 35 | qapne 9916 |
. . . . . 6
| |
| 36 | 31, 34, 35 | syl2anc 411 |
. . . . 5
|
| 37 | 28, 36 | mpbird 167 |
. . . 4
|
| 38 | qre 9902 |
. . . . . 6
| |
| 39 | 31, 38 | syl 14 |
. . . . 5
|
| 40 | 8 | nnred 9199 |
. . . . . . 7
|
| 41 | 8 | nngt0d 9230 |
. . . . . . 7
|
| 42 | 3, 40, 5, 41 | divgt0d 9158 |
. . . . . 6
|
| 43 | 4, 39, 42 | ltled 8341 |
. . . . 5
|
| 44 | 2re 9256 |
. . . . . 6
| |
| 45 | 44 | a1i 9 |
. . . . 5
|
| 46 | 0le2 9276 |
. . . . . 6
| |
| 47 | 46 | a1i 9 |
. . . . 5
|
| 48 | sqrt11ap 11659 |
. . . . 5
| |
| 49 | 39, 43, 45, 47, 48 | syl22anc 1275 |
. . . 4
|
| 50 | 37, 49 | mpbird 167 |
. . 3
|
| 51 | 20, 50 | eqbrtrrd 4117 |
. 2
|
| 52 | nnz 9541 |
. . . . 5
| |
| 53 | znq 9901 |
. . . . 5
| |
| 54 | 52, 53 | sylan 283 |
. . . 4
|
| 55 | qcn 9911 |
. . . 4
| |
| 56 | 54, 55 | syl 14 |
. . 3
|
| 57 | sqrt2re 12796 |
. . . . 5
| |
| 58 | 57 | recni 8234 |
. . . 4
|
| 59 | 58 | a1i 9 |
. . 3
|
| 60 | apsym 8829 |
. . 3
| |
| 61 | 56, 59, 60 | syl2anc 411 |
. 2
|
| 62 | 51, 61 | mpbid 147 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 ax-pre-mulext 8193 ax-arch 8194 ax-caucvg 8195 |
| This theorem depends on definitions: df-bi 117 df-stab 839 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-xor 1421 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-id 4396 df-po 4399 df-iso 4400 df-iord 4469 df-on 4471 df-ilim 4472 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-recs 6514 df-frec 6600 df-1o 6625 df-2o 6626 df-er 6745 df-en 6953 df-sup 7226 df-pnf 8259 df-mnf 8260 df-xr 8261 df-ltxr 8262 df-le 8263 df-sub 8395 df-neg 8396 df-reap 8798 df-ap 8805 df-div 8896 df-inn 9187 df-2 9245 df-3 9246 df-4 9247 df-n0 9446 df-z 9523 df-uz 9799 df-q 9897 df-rp 9932 df-fz 10287 df-fzo 10421 df-fl 10574 df-mod 10629 df-seqfrec 10754 df-exp 10845 df-cj 11463 df-re 11464 df-im 11465 df-rsqrt 11619 df-abs 11620 df-dvds 12410 df-gcd 12586 df-prm 12741 |
| This theorem is referenced by: sqrt2irrap 12813 |
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