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Mirrors > Home > MPE Home > Th. List > le2addd | Structured version Visualization version GIF version |
Description: Adding both side of two inequalities. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
leidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltnegd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
ltadd1d.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
lt2addd.4 | ⊢ (𝜑 → 𝐷 ∈ ℝ) |
le2addd.5 | ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
le2addd.6 | ⊢ (𝜑 → 𝐵 ≤ 𝐷) |
Ref | Expression |
---|---|
le2addd | ⊢ (𝜑 → (𝐴 + 𝐵) ≤ (𝐶 + 𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | le2addd.5 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐶) | |
2 | le2addd.6 | . 2 ⊢ (𝜑 → 𝐵 ≤ 𝐷) | |
3 | leidd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
4 | ltnegd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
5 | ltadd1d.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
6 | lt2addd.4 | . . 3 ⊢ (𝜑 → 𝐷 ∈ ℝ) | |
7 | le2add 11743 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) ∧ (𝐶 ∈ ℝ ∧ 𝐷 ∈ ℝ)) → ((𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐷) → (𝐴 + 𝐵) ≤ (𝐶 + 𝐷))) | |
8 | 3, 4, 5, 6, 7 | syl22anc 839 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐷) → (𝐴 + 𝐵) ≤ (𝐶 + 𝐷))) |
9 | 1, 2, 8 | mp2and 699 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) ≤ (𝐶 + 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2106 class class class wbr 5148 (class class class)co 7431 ℝcr 11152 + caddc 11156 ≤ cle 11294 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-op 4638 df-uni 4913 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5583 df-po 5597 df-so 5598 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-ov 7434 df-er 8744 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 |
This theorem is referenced by: supadd 12234 o1add 15647 o1sub 15649 o1fsum 15846 sadcaddlem 16491 4sqlem11 16989 4sqlem12 16990 4sqlem15 16993 4sqlem16 16994 prdsxmetlem 24394 nrmmetd 24603 nmotri 24776 pcoass 25071 minveclem2 25474 ovollb2lem 25537 ovolunlem1a 25545 ovoliunlem1 25551 nulmbl2 25585 ioombl1lem4 25610 uniioombllem5 25636 itg2splitlem 25798 itg2addlem 25808 ibladdlem 25870 ulmbdd 26456 cxpaddle 26810 ang180lem2 26868 fsumharmonic 27070 lgamgulmlem3 27089 lgamgulmlem5 27091 ppiub 27263 lgsdirprm 27390 lgsqrlem2 27406 lgseisenlem2 27435 2sqlem8 27485 vmadivsumb 27542 dchrisumlem2 27549 dchrisum0lem1b 27574 mulog2sumlem1 27593 mulog2sumlem2 27594 selbergb 27608 selberg2b 27611 chpdifbndlem1 27612 logdivbnd 27615 selberg3lem2 27617 pntrlog2bnd 27643 pntpbnd2 27646 pntibndlem2 27650 pntlemr 27661 ostth2lem2 27693 ostth3 27697 smcnlem 30726 minvecolem2 30904 stadd3i 32277 le2halvesd 32766 wrdt2ind 32923 dnibndlem9 36469 ismblfin 37648 itg2addnc 37661 ibladdnclem 37663 ftc1anclem7 37686 intlewftc 42043 aks4d1p1p2 42052 dvle2 42054 posbezout 42082 2np3bcnp1 42126 sticksstones7 42134 sticksstones12a 42139 sticksstones12 42140 metakunt29 42215 2xp3dxp2ge1d 42223 pell1qrgaplem 42861 pellqrex 42867 pellfundgt1 42871 areaquad 43205 imo72b2lem0 44155 int-ineq1stprincd 44182 dvdivbd 45879 fourierdlem30 46093 sge0xaddlem2 46390 carageniuncllem2 46478 |
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