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Mirrors > Home > MPE Home > Th. List > le2sqd | Structured version Visualization version GIF version |
Description: The square function on nonnegative reals is monotonic. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
sqgt0d.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
lt2sqd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
lt2sqd.3 | ⊢ (𝜑 → 0 ≤ 𝐴) |
lt2sqd.4 | ⊢ (𝜑 → 0 ≤ 𝐵) |
Ref | Expression |
---|---|
le2sqd | ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴↑2) ≤ (𝐵↑2))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sqgt0d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | lt2sqd.3 | . 2 ⊢ (𝜑 → 0 ≤ 𝐴) | |
3 | lt2sqd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
4 | lt2sqd.4 | . 2 ⊢ (𝜑 → 0 ≤ 𝐵) | |
5 | le2sq 14171 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ ∧ 0 ≤ 𝐵)) → (𝐴 ≤ 𝐵 ↔ (𝐴↑2) ≤ (𝐵↑2))) | |
6 | 1, 2, 3, 4, 5 | syl22anc 839 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴↑2) ≤ (𝐵↑2))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2106 class class class wbr 5148 (class class class)co 7431 ℝcr 11152 0cc0 11153 ≤ cle 11294 2c2 12319 ↑cexp 14099 |
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-cnex 11209 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 ax-pre-mulgt0 11230 |
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-reu 3379 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-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-op 4638 df-uni 4913 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-we 5643 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-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 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-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-2nd 8014 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 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 df-sub 11492 df-neg 11493 df-nn 12265 df-2 12327 df-n0 12525 df-z 12612 df-uz 12877 df-seq 14040 df-exp 14100 |
This theorem is referenced by: abstri 15366 amgm2 15405 ipcau2 25282 tcphcphlem1 25283 trirn 25448 rrxdstprj1 25457 minveclem3b 25476 minveclem4 25480 minveclem6 25482 pjthlem1 25485 atans2 26989 basellem8 27146 chpub 27279 2sqmod 27495 dchrisum0 27579 mulog2sumlem2 27594 log2sumbnd 27603 logdivbnd 27615 pntlemk 27665 minvecolem4 30909 minvecolem5 30910 minvecolem6 30911 normpyc 31175 pjhthlem1 31420 chscllem2 31667 pjssposi 32201 areacirclem2 37696 areacirclem4 37698 areacirclem5 37699 areacirc 37700 cntotbnd 37783 rrndstprj1 37817 pell1qrge1 42858 pell1qrgaplem 42861 pell14qrgapw 42864 pellqrex 42867 |
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