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Mirrors > Home > ILE Home > Th. List > addid1d | GIF version |
Description: 0 is an additive identity. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
muld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
Ref | Expression |
---|---|
addid1d | ⊢ (𝜑 → (𝐴 + 0) = 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | muld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | addid1 8027 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴) | |
3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐴 + 0) = 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1342 ∈ wcel 2135 (class class class)co 5836 ℂcc 7742 0cc0 7744 + caddc 7747 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-0id 7852 |
This theorem is referenced by: subsub2 8117 negsub 8137 ltaddneg 8313 ltaddpos 8341 addge01 8361 add20 8363 apreap 8476 nnge1 8871 nnnn0addcl 9135 un0addcl 9138 peano2z 9218 zaddcl 9222 uzaddcl 9515 xaddid1 9789 fzosubel3 10121 expadd 10487 faclbnd6 10646 omgadd 10704 reim0b 10790 rereb 10791 immul2 10808 resqrexlemcalc3 10944 resqrexlemnm 10946 max0addsup 11147 fsumsplit 11334 sumsplitdc 11359 bezoutlema 11917 pcadd 12248 pcmpt 12250 cosmpi 13278 sinppi 13279 sinhalfpip 13282 trilpolemlt1 13754 |
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