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| Mirrors > Home > MPE Home > Th. List > lemul1ad | Structured version Visualization version GIF version | ||
| Description: Multiplication of both sides of 'less than or equal to' by a nonnegative number. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| ltp1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| divgt0d.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| lemul1ad.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| lemul1ad.4 | ⊢ (𝜑 → 0 ≤ 𝐶) |
| lemul1ad.5 | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Ref | Expression |
|---|---|
| lemul1ad | ⊢ (𝜑 → (𝐴 · 𝐶) ≤ (𝐵 · 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltp1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | divgt0d.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 3 | lemul1ad.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
| 4 | lemul1ad.4 | . . 3 ⊢ (𝜑 → 0 ≤ 𝐶) | |
| 5 | 3, 4 | jca 521 | . 2 ⊢ (𝜑 → (𝐶 ∈ ℝ ∧ 0 ≤ 𝐶)) |
| 6 | lemul1ad.5 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐵) | |
| 7 | lemul1a 12201 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ (𝐶 ∈ ℝ ∧ 0 ≤ 𝐶)) ∧ 𝐴 ≤ 𝐵) → (𝐴 · 𝐶) ≤ (𝐵 · 𝐶)) | |
| 8 | 1, 2, 5, 6, 7 | syl31anc 1401 | 1 ⊢ (𝜑 → (𝐴 · 𝐶) ≤ (𝐵 · 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 class class class wbr 5106 (class class class)co 7446 ℝcr 11229 0cc0 11230 · cmul 11235 ≤ cle 11374 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 |
| This theorem is used by: bernneq 14403 o1fsum 16012 cvgrat 16084 prmreclem3 17128 nlmvscnlem2 25037 nghmcn 25097 ipcnlem2 25598 dvlip 26346 dvlipcn 26347 dvfsumlem4 26382 dvfsum2 26387 aalioulem3 26694 radcnvlem1 26773 radcnvlem2 26774 abelthlem5 26795 abelthlem7 26798 logtayllem 27020 abscxpbnd 27114 efrlim 27330 lgamgulmlem5 27393 chpub 27580 2sqlem8 27786 rplogsumlem1 27844 rpvmasumlem 27847 dchrisumlem3 27851 dchrvmasumlem3 27859 mulog2sumlem2 27895 selberglem2 27906 selberg2lem 27910 pntrlog2bndlem3 27939 pntrlog2bndlem5 27941 pntlemj 27963 ostth2lem2 27994 axpaschlem 29551 smcnlem 31332 htthlem 31552 lnconi 32668 cnlnadjlem7 32708 nnmulge 33404 nexple 33497 logdivsqrle 35362 hgt750lemf 35365 bfplem2 38960 aks4d1p1p7 43327 posbezout 43353 aks6d1c7lem1 43433 fltnltalem 43877 jm2.24nn 44170 areaquad 44421 int-ineq2ndprincd 45396 fmul01lt1lem2 46812 dvbdfbdioolem1 47153 fourierdlem19 47351 fourierdlem39 47371 hsphoidmvle2 47810 hsphoidmvle 47811 hoidmvlelem2 47821 smfmullem1 48016 |
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