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| Mirrors > Home > MPE Home > Th. List > leabsd | Structured version Visualization version GIF version | ||
| Description: A real number is less than or equal to its absolute value. (Contributed by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| resqrcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Ref | Expression |
|---|---|
| leabsd | ⊢ (𝜑 → 𝐴 ≤ (abs‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resqrcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | leabs 15446 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ≤ (abs‘𝐴)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐴 ≤ (abs‘𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6531 ℝcr 11180 ≤ cle 11325 abscabs 15381 |
| 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 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 ax-pre-sup 11259 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-sup 9418 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-div 11955 df-nn 12317 df-2 12386 df-3 12387 df-n0 12588 df-z 12675 df-uz 12947 df-rp 13102 df-seq 14125 df-exp 14185 df-cj 15246 df-re 15247 df-im 15248 df-sqrt 15382 df-abs 15383 |
| This theorem is used by: lo1bddrp 15672 o1rlimmul 15766 nm2dif 24924 trirn 25701 bddiblnc 26142 mtestbdd 26714 abscxpbnd 27063 cxploglim2 27288 logexprlim 27534 rplogsumlem2 27794 dchrvmasumlem2 27807 dchrvmasumlem3 27808 dchrisum0flblem1 27817 dchrisum0fno1 27820 dchrisum0lem1 27825 mulog2sumlem2 27844 selberglem2 27855 chpdifbndlem1 27862 selberg3lem1 27866 pntrsumo1 27874 pntrlog2bndlem2 27887 pntrlog2bndlem3 27888 leopnmid 32722 dnibndlem7 37320 dnibndlem8 37321 dnibndlem12 37325 geomcau 38661 radcnvrat 45257 rexabslelem 46372 climleltrp 46630 ioodvbdlimc1lem1 46885 ioodvbdlimc1lem2 46886 ioodvbdlimc2lem 46888 fourierdlem77 47137 ioorrnopnlem 47258 sge0isum 47381 hoicvr 47502 smflimlem4 47728 smfmullem1 47745 |
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