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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > ltadd12dd | Structured version Visualization version GIF version |
Description: Addition to both sides of 'less than'. (Contributed by Glauco Siliprandi, 11-Oct-2020.) |
Ref | Expression |
---|---|
ltadd12dd.a | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltadd12dd.b | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
ltadd12dd.c | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
ltadd12dd.d | ⊢ (𝜑 → 𝐷 ∈ ℝ) |
ltadd12dd.ac | ⊢ (𝜑 → 𝐴 < 𝐶) |
ltadd12dd.bd | ⊢ (𝜑 → 𝐵 < 𝐷) |
Ref | Expression |
---|---|
ltadd12dd | ⊢ (𝜑 → (𝐴 + 𝐵) < (𝐶 + 𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltadd12dd.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | ltadd12dd.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
3 | 1, 2 | readdcld 11284 | . 2 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℝ) |
4 | ltadd12dd.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
5 | 4, 2 | readdcld 11284 | . 2 ⊢ (𝜑 → (𝐶 + 𝐵) ∈ ℝ) |
6 | ltadd12dd.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ ℝ) | |
7 | 4, 6 | readdcld 11284 | . 2 ⊢ (𝜑 → (𝐶 + 𝐷) ∈ ℝ) |
8 | ltadd12dd.ac | . . 3 ⊢ (𝜑 → 𝐴 < 𝐶) | |
9 | 1, 4, 2, 8 | ltadd1dd 11866 | . 2 ⊢ (𝜑 → (𝐴 + 𝐵) < (𝐶 + 𝐵)) |
10 | ltadd12dd.bd | . . 3 ⊢ (𝜑 → 𝐵 < 𝐷) | |
11 | 2, 6, 4, 10 | ltadd2dd 11414 | . 2 ⊢ (𝜑 → (𝐶 + 𝐵) < (𝐶 + 𝐷)) |
12 | 3, 5, 7, 9, 11 | lttrd 11416 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) < (𝐶 + 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2099 class class class wbr 5145 (class class class)co 7416 ℝcr 11148 + caddc 11152 < clt 11289 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-sep 5296 ax-nul 5303 ax-pow 5361 ax-pr 5425 ax-un 7738 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rab 3420 df-v 3464 df-sbc 3776 df-csb 3892 df-dif 3949 df-un 3951 df-in 3953 df-ss 3963 df-nul 4323 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4906 df-br 5146 df-opab 5208 df-mpt 5229 df-id 5572 df-po 5586 df-so 5587 df-xp 5680 df-rel 5681 df-cnv 5682 df-co 5683 df-dm 5684 df-rn 5685 df-res 5686 df-ima 5687 df-iota 6498 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-ov 7419 df-er 8726 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11291 df-mnf 11292 df-ltxr 11294 |
This theorem is referenced by: sge0xaddlem1 46090 smfaddlem1 46420 |
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