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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 12097 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ (𝐶 ∈ ℝ ∧ 0 ≤ 𝐶)) ∧ 𝐴 ≤ 𝐵) → (𝐴 · 𝐶) ≤ (𝐵 · 𝐶)) | |
| 8 | 1, 2, 5, 6, 7 | syl31anc 1400 | 1 ⊢ (𝜑 → (𝐴 · 𝐶) ≤ (𝐵 · 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 class class class wbr 5107 (class class class)co 7417 ℝcr 11127 0cc0 11128 · cmul 11133 ≤ cle 11272 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 |
| This theorem is used by: bernneq 14297 o1fsum 15904 cvgrat 15976 prmreclem3 17016 nlmvscnlem2 24917 nghmcn 24977 ipcnlem2 25478 dvlip 26227 dvlipcn 26228 dvfsumlem4 26263 dvfsum2 26268 aalioulem3 26577 radcnvlem1 26656 radcnvlem2 26657 abelthlem5 26678 abelthlem7 26681 logtayllem 26904 abscxpbnd 26998 efrlim 27214 lgamgulmlem5 27277 chpub 27464 2sqlem8 27670 rplogsumlem1 27728 rpvmasumlem 27731 dchrisumlem3 27735 dchrvmasumlem3 27743 mulog2sumlem2 27779 selberglem2 27790 selberg2lem 27794 pntrlog2bndlem3 27823 pntrlog2bndlem5 27825 pntlemj 27847 ostth2lem2 27878 axpaschlem 29405 smcnlem 31186 htthlem 31406 lnconi 32522 cnlnadjlem7 32562 nnmulge 33218 nexple 33311 logdivsqrle 35166 hgt750lemf 35169 bfplem2 38581 aks4d1p1p7 42948 posbezout 42974 aks6d1c7lem1 43054 fltnltalem 43516 jm2.24nn 43808 areaquad 44065 int-ineq2ndprincd 45041 fmul01lt1lem2 46423 dvbdfbdioolem1 46764 fourierdlem19 46962 fourierdlem39 46982 hsphoidmvle2 47421 hsphoidmvle 47422 hoidmvlelem2 47432 smfmullem1 47627 |
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