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 11050 | . 2 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℝ) |
4 | ltadd12dd.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
5 | 4, 2 | readdcld 11050 | . 2 ⊢ (𝜑 → (𝐶 + 𝐵) ∈ ℝ) |
6 | ltadd12dd.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ ℝ) | |
7 | 4, 6 | readdcld 11050 | . 2 ⊢ (𝜑 → (𝐶 + 𝐷) ∈ ℝ) |
8 | ltadd12dd.ac | . . 3 ⊢ (𝜑 → 𝐴 < 𝐶) | |
9 | 1, 4, 2, 8 | ltadd1dd 11632 | . 2 ⊢ (𝜑 → (𝐴 + 𝐵) < (𝐶 + 𝐵)) |
10 | ltadd12dd.bd | . . 3 ⊢ (𝜑 → 𝐵 < 𝐷) | |
11 | 2, 6, 4, 10 | ltadd2dd 11180 | . 2 ⊢ (𝜑 → (𝐶 + 𝐵) < (𝐶 + 𝐷)) |
12 | 3, 5, 7, 9, 11 | lttrd 11182 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) < (𝐶 + 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2104 class class class wbr 5081 (class class class)co 7307 ℝcr 10916 + caddc 10920 < clt 11055 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-resscn 10974 ax-1cn 10975 ax-icn 10976 ax-addcl 10977 ax-addrcl 10978 ax-mulcl 10979 ax-mulrcl 10980 ax-mulcom 10981 ax-addass 10982 ax-mulass 10983 ax-distr 10984 ax-i2m1 10985 ax-1ne0 10986 ax-1rid 10987 ax-rnegex 10988 ax-rrecex 10989 ax-cnre 10990 ax-pre-lttri 10991 ax-pre-lttrn 10992 ax-pre-ltadd 10993 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-br 5082 df-opab 5144 df-mpt 5165 df-id 5500 df-po 5514 df-so 5515 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-ov 7310 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-pnf 11057 df-mnf 11058 df-ltxr 11060 |
This theorem is referenced by: sge0xaddlem1 44021 smfaddlem1 44351 |
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