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Mirrors > Home > MPE Home > Th. List > xle2add | Structured version Visualization version GIF version |
Description: Extended real version of le2add 11314. (Contributed by Mario Carneiro, 23-Aug-2015.) |
Ref | Expression |
---|---|
xle2add | ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → ((𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐷) → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpll 767 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → 𝐴 ∈ ℝ*) | |
2 | simprl 771 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → 𝐶 ∈ ℝ*) | |
3 | simplr 769 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → 𝐵 ∈ ℝ*) | |
4 | xleadd1a 12843 | . . . 4 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐶 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ 𝐴 ≤ 𝐶) → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐵)) | |
5 | 4 | ex 416 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐶 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 ≤ 𝐶 → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐵))) |
6 | 1, 2, 3, 5 | syl3anc 1373 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (𝐴 ≤ 𝐶 → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐵))) |
7 | simprr 773 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → 𝐷 ∈ ℝ*) | |
8 | xleadd2a 12844 | . . . 4 ⊢ (((𝐵 ∈ ℝ* ∧ 𝐷 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) ∧ 𝐵 ≤ 𝐷) → (𝐶 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷)) | |
9 | 8 | ex 416 | . . 3 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐷 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐵 ≤ 𝐷 → (𝐶 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) |
10 | 3, 7, 2, 9 | syl3anc 1373 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (𝐵 ≤ 𝐷 → (𝐶 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) |
11 | xaddcl 12829 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 +𝑒 𝐵) ∈ ℝ*) | |
12 | 11 | adantr 484 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (𝐴 +𝑒 𝐵) ∈ ℝ*) |
13 | xaddcl 12829 | . . . 4 ⊢ ((𝐶 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 +𝑒 𝐵) ∈ ℝ*) | |
14 | 2, 3, 13 | syl2anc 587 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (𝐶 +𝑒 𝐵) ∈ ℝ*) |
15 | xaddcl 12829 | . . . 4 ⊢ ((𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*) → (𝐶 +𝑒 𝐷) ∈ ℝ*) | |
16 | 15 | adantl 485 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (𝐶 +𝑒 𝐷) ∈ ℝ*) |
17 | xrletr 12748 | . . 3 ⊢ (((𝐴 +𝑒 𝐵) ∈ ℝ* ∧ (𝐶 +𝑒 𝐵) ∈ ℝ* ∧ (𝐶 +𝑒 𝐷) ∈ ℝ*) → (((𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐵) ∧ (𝐶 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷)) → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) | |
18 | 12, 14, 16, 17 | syl3anc 1373 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → (((𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐵) ∧ (𝐶 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷)) → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) |
19 | 6, 10, 18 | syl2and 611 | 1 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ (𝐶 ∈ ℝ* ∧ 𝐷 ∈ ℝ*)) → ((𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐷) → (𝐴 +𝑒 𝐵) ≤ (𝐶 +𝑒 𝐷))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 ∈ wcel 2110 class class class wbr 5053 (class class class)co 7213 ℝ*cxr 10866 ≤ cle 10868 +𝑒 cxad 12702 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-id 5455 df-po 5468 df-so 5469 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-ov 7216 df-oprab 7217 df-mpo 7218 df-1st 7761 df-2nd 7762 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-xadd 12705 |
This theorem is referenced by: metnrmlem3 23758 xraddge02 30799 xrofsup 30810 esumpmono 31759 xadd0ge 42532 sge0split 43622 |
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