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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-rrhatsscchat | Structured version Visualization version GIF version |
Description: The real projective line is included in the complex projective line. (Contributed by BJ, 27-Jun-2019.) |
Ref | Expression |
---|---|
bj-rrhatsscchat | ⊢ ℝ̂ ⊆ ℂ̂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axresscn 11219 | . . 3 ⊢ ℝ ⊆ ℂ | |
2 | unss1 4208 | . . 3 ⊢ (ℝ ⊆ ℂ → (ℝ ∪ {∞}) ⊆ (ℂ ∪ {∞})) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ (ℝ ∪ {∞}) ⊆ (ℂ ∪ {∞}) |
4 | df-bj-rrhat 37203 | . 2 ⊢ ℝ̂ = (ℝ ∪ {∞}) | |
5 | df-bj-cchat 37201 | . 2 ⊢ ℂ̂ = (ℂ ∪ {∞}) | |
6 | 3, 4, 5 | 3sstr4i 4052 | 1 ⊢ ℝ̂ ⊆ ℂ̂ |
Colors of variables: wff setvar class |
Syntax hints: ∪ cun 3974 ⊆ wss 3976 {csn 4648 ℂcc 11184 ℝcr 11185 ∞cinfty 37198 ℂ̂ccchat 37200 ℝ̂crrhat 37202 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7772 ax-inf2 9712 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-int 4971 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6334 df-ord 6400 df-on 6401 df-lim 6402 df-suc 6403 df-iota 6527 df-fun 6577 df-fn 6578 df-f 6579 df-f1 6580 df-fo 6581 df-f1o 6582 df-fv 6583 df-ov 7453 df-oprab 7454 df-mpo 7455 df-om 7906 df-1st 8032 df-2nd 8033 df-frecs 8324 df-wrecs 8355 df-recs 8429 df-rdg 8468 df-1o 8524 df-oadd 8528 df-omul 8529 df-er 8765 df-ec 8767 df-qs 8771 df-ni 10943 df-pli 10944 df-mi 10945 df-lti 10946 df-plpq 10979 df-mpq 10980 df-ltpq 10981 df-enq 10982 df-nq 10983 df-erq 10984 df-plq 10985 df-mq 10986 df-1nq 10987 df-rq 10988 df-ltnq 10989 df-np 11052 df-1p 11053 df-enr 11126 df-nr 11127 df-0r 11131 df-c 11192 df-r 11196 df-bj-cchat 37201 df-bj-rrhat 37203 |
This theorem is referenced by: (None) |
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