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| Mirrors > Home > MPE Home > Th. List > negicn | Structured version Visualization version GIF version | ||
| Description: -i is a complex number. (Contributed by David A. Wheeler, 7-Dec-2018.) |
| Ref | Expression |
|---|---|
| negicn | ⊢ -i ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-icn 11186 | . 2 ⊢ i ∈ ℂ | |
| 2 | negcl 11484 | . 2 ⊢ (i ∈ ℂ → -i ∈ ℂ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ -i ∈ ℂ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ℂcc 11125 ici 11129 -cneg 11469 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-ltxr 11275 df-sub 11470 df-neg 11471 |
| This theorem is used by: irec 14267 imcl 15200 absimle 15398 recan 15426 sinf 16216 cosf 16217 tanval2 16225 tanval3 16226 efi4p 16229 sinneg 16238 cosneg 16239 efival 16244 sinhval 16246 coshval 16247 sinadd 16256 cosadd 16257 cphipval2 25470 dvsincos 26210 sincn 26677 coscn 26678 sinperlem 26715 pige3ALT 26755 sineq0 26759 tanregt0 26774 asinlem3a 27105 asinf 27107 asinneg 27121 efiasin 27123 sinasin 27124 asinsinlem 27126 asinsin 27127 asin1 27129 2efiatan 27153 dvatan 27170 atantayl 27172 nvpi 31134 ipval2 31174 4ipval2 31175 ipidsq 31177 dipcj 31181 dip0r 31184 ipasslem10 31306 polid2i 31624 dvasin 38440 areacirclem4 38447 sineq0ALT 45746 |
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