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Mirrors > Home > MPE Home > Th. List > readdcli | Structured version Visualization version GIF version |
Description: Closure law for addition of reals. (Contributed by NM, 17-Jan-1997.) |
Ref | Expression |
---|---|
recni.1 | ⊢ 𝐴 ∈ ℝ |
axri.2 | ⊢ 𝐵 ∈ ℝ |
Ref | Expression |
---|---|
readdcli | ⊢ (𝐴 + 𝐵) ∈ ℝ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | recni.1 | . 2 ⊢ 𝐴 ∈ ℝ | |
2 | axri.2 | . 2 ⊢ 𝐵 ∈ ℝ | |
3 | readdcl 9898 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + 𝐵) ∈ ℝ) | |
4 | 1, 2, 3 | mp2an 704 | 1 ⊢ (𝐴 + 𝐵) ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 1977 (class class class)co 6549 ℝcr 9814 + caddc 9818 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-addrcl 9876 |
This theorem depends on definitions: df-bi 196 df-an 385 |
This theorem is referenced by: resubcli 10222 eqneg 10624 ledivp1i 10828 ltdivp1i 10829 2re 10967 3re 10971 4re 10974 5re 10976 6re 10978 7re 10980 8re 10982 9re 10984 10reOLD 10986 numltc 11404 nn0opthlem2 12918 hashunlei 13072 hashge2el2dif 13117 abs3lemi 13997 ef01bndlem 14753 divalglem6 14959 log2ub 24476 mumullem2 24706 bposlem8 24816 dchrvmasumlem2 24987 ex-fl 26696 norm-ii-i 27378 norm3lem 27390 nmoptrii 28337 bdophsi 28339 unierri 28347 staddi 28489 stadd3i 28491 ballotlem2 29877 poimirlem16 32595 itg2addnclem3 32633 fdc 32711 pellqrex 36461 stirlinglem11 38977 fouriersw 39124 evengpoap3 40215 zm1nn 40348 |
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