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Mirrors > Home > MPE Home > Th. List > flhalf | Unicode version |
Description: Ordering relation for the floor of half of an integer. (Contributed by NM, 1-Jan-2006.) (Proof shortened by Mario Carneiro, 7-Jun-2016.) |
Ref | Expression |
---|---|
flhalf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zre 10893 | . . . . . . . 8 | |
2 | peano2re 9774 | . . . . . . . 8 | |
3 | 1, 2 | syl 16 | . . . . . . 7 |
4 | 3 | rehalfcld 10810 | . . . . . 6 |
5 | flltp1 11937 | . . . . . 6 | |
6 | 4, 5 | syl 16 | . . . . 5 |
7 | 4 | flcld 11935 | . . . . . . . 8 |
8 | 7 | zred 10994 | . . . . . . 7 |
9 | 1red 9632 | . . . . . . 7 | |
10 | 8, 9 | readdcld 9644 | . . . . . 6 |
11 | 2rp 11254 | . . . . . . 7 | |
12 | 11 | a1i 11 | . . . . . 6 |
13 | 3, 10, 12 | ltdivmuld 11332 | . . . . 5 |
14 | 6, 13 | mpbid 210 | . . . 4 |
15 | 9 | recnd 9643 | . . . . . . 7 |
16 | 15 | 2timesd 10806 | . . . . . 6 |
17 | 16 | oveq2d 6312 | . . . . 5 |
18 | 2cnd 10633 | . . . . . 6 | |
19 | 8 | recnd 9643 | . . . . . 6 |
20 | 18, 19, 15 | adddid 9641 | . . . . 5 |
21 | 2re 10630 | . . . . . . . . 9 | |
22 | 21 | a1i 11 | . . . . . . . 8 |
23 | 22, 8 | remulcld 9645 | . . . . . . 7 |
24 | 23 | recnd 9643 | . . . . . 6 |
25 | 24, 15, 15 | addassd 9639 | . . . . 5 |
26 | 17, 20, 25 | 3eqtr4d 2508 | . . . 4 |
27 | 14, 26 | breqtrd 4476 | . . 3 |
28 | 23, 9 | readdcld 9644 | . . . 4 |
29 | 1, 28, 9 | ltadd1d 10170 | . . 3 |
30 | 27, 29 | mpbird 232 | . 2 |
31 | 2z 10921 | . . . . 5 | |
32 | 31 | a1i 11 | . . . 4 |
33 | 32, 7 | zmulcld 11000 | . . 3 |
34 | zleltp1 10939 | . . 3 | |
35 | 33, 34 | mpdan 668 | . 2 |
36 | 30, 35 | mpbird 232 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -> wi 4 <-> wb 184
e. wcel 1818 class class class wbr 4452
` cfv 5593 (class class class)co 6296
cr 9512 1 c1 9514 caddc 9516 cmul 9518 clt 9649 cle 9650 cdiv 10231 2 c2 10610 cz 10889 crp 11249
cfl 11927 |
This theorem is referenced by: ovolunlem1a 21907 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-8 1820 ax-9 1822 ax-10 1837 ax-11 1842 ax-12 1854 ax-13 1999 ax-ext 2435 ax-sep 4573 ax-nul 4581 ax-pow 4630 ax-pr 4691 ax-un 6592 ax-cnex 9569 ax-resscn 9570 ax-1cn 9571 ax-icn 9572 ax-addcl 9573 ax-addrcl 9574 ax-mulcl 9575 ax-mulrcl 9576 ax-mulcom 9577 ax-addass 9578 ax-mulass 9579 ax-distr 9580 ax-i2m1 9581 ax-1ne0 9582 ax-1rid 9583 ax-rnegex 9584 ax-rrecex 9585 ax-cnre 9586 ax-pre-lttri 9587 ax-pre-lttrn 9588 ax-pre-ltadd 9589 ax-pre-mulgt0 9590 ax-pre-sup 9591 |
This theorem depends on definitions: df-bi 185 df-or 370 df-an 371 df-3or 974 df-3an 975 df-tru 1398 df-ex 1613 df-nf 1617 df-sb 1740 df-eu 2286 df-mo 2287 df-clab 2443 df-cleq 2449 df-clel 2452 df-nfc 2607 df-ne 2654 df-nel 2655 df-ral 2812 df-rex 2813 df-reu 2814 df-rmo 2815 df-rab 2816 df-v 3111 df-sbc 3328 df-csb 3435 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-pss 3491 df-nul 3785 df-if 3942 df-pw 4014 df-sn 4030 df-pr 4032 df-tp 4034 df-op 4036 df-uni 4250 df-iun 4332 df-br 4453 df-opab 4511 df-mpt 4512 df-tr 4546 df-eprel 4796 df-id 4800 df-po 4805 df-so 4806 df-fr 4843 df-we 4845 df-ord 4886 df-on 4887 df-lim 4888 df-suc 4889 df-xp 5010 df-rel 5011 df-cnv 5012 df-co 5013 df-dm 5014 df-rn 5015 df-res 5016 df-ima 5017 df-iota 5556 df-fun 5595 df-fn 5596 df-f 5597 df-f1 5598 df-fo 5599 df-f1o 5600 df-fv 5601 df-riota 6257 df-ov 6299 df-oprab 6300 df-mpt2 6301 df-om 6701 df-recs 7061 df-rdg 7095 df-er 7330 df-en 7537 df-dom 7538 df-sdom 7539 df-sup 7921 df-pnf 9651 df-mnf 9652 df-xr 9653 df-ltxr 9654 df-le 9655 df-sub 9830 df-neg 9831 df-div 10232 df-nn 10562 df-2 10619 df-n0 10821 df-z 10890 df-uz 11111 df-rp 11250 df-fl 11929 |
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