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Mirrors > Home > MPE Home > Th. List > Mathboxes > 0cnALT3 | Structured version Visualization version GIF version |
Description: Alternate proof of 0cn 10626 using ax-resscn 10587, ax-addrcl 10591, ax-rnegex 10601, ax-cnre 10603 instead of ax-icn 10589, ax-addcl 10590, ax-mulcl 10592, ax-i2m1 10598. Version of 0cnALT 10867 using ax-1cn 10588 instead of ax-icn 10589. (Contributed by Steven Nguyen, 7-Jan-2022.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
0cnALT3 | ⊢ 0 ∈ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0re 10636 | . 2 ⊢ 0 ∈ ℝ | |
2 | 1 | recni 10648 | 1 ⊢ 0 ∈ ℂ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2113 ℂcc 10528 0cc0 10530 |
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 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-resscn 10587 ax-1cn 10588 ax-addrcl 10591 ax-rnegex 10601 ax-cnre 10603 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2799 df-cleq 2813 df-clel 2892 df-ral 3142 df-rex 3143 df-in 3936 df-ss 3945 |
This theorem is referenced by: (None) |
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