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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 10620 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 + 𝐵) ∈ ℝ) | |
4 | 1, 2, 3 | mp2an 690 | 1 ⊢ (𝐴 + 𝐵) ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2114 (class class class)co 7156 ℝcr 10536 + caddc 10540 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-addrcl 10598 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: resubcli 10948 eqneg 11360 ledivp1i 11565 ltdivp1i 11566 nnne0 11672 2re 11712 3re 11718 4re 11722 5re 11725 6re 11728 7re 11731 8re 11734 9re 11737 10re 12118 numltc 12125 nn0opthlem2 13630 hashunlei 13787 hashge2el2dif 13839 abs3lemi 14770 ef01bndlem 15537 divalglem6 15749 log2ub 25527 mumullem2 25757 bposlem8 25867 dchrvmasumlem2 26074 ex-fl 28226 norm-ii-i 28914 norm3lem 28926 nmoptrii 29871 bdophsi 29873 unierri 29881 staddi 30023 stadd3i 30025 dp2ltc 30563 dpmul4 30590 ballotlem2 31746 hgt750lem 31922 poimirlem16 34923 itg2addnclem3 34960 fdc 35035 remul02 39255 pellqrex 39496 stirlinglem11 42389 fouriersw 42536 zm1nn 43522 evengpoap3 43984 |
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