Theorem cncls2i 22417

Description: Property of the preimage of a closure. (Contributed by Mario Carneiro, 25-Aug-2015.)

Hypothesis

Ref	Expression
cncls2i.1	⊢ 𝑌 = ∪ 𝐾

Assertion

Ref	Expression
cncls2i	⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → ((cls‘𝐽)‘(◡𝐹 “ 𝑆)) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆)))

Proof of Theorem cncls2i

Step	Hyp	Ref	Expression
1		cntop2 22388	. . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
2		cncls2i.1	. . . . 5 ⊢ 𝑌 = ∪ 𝐾
3	2	clscld 22194	. . . 4 ⊢ ((𝐾 ∈ Top ∧ 𝑆 ⊆ 𝑌) → ((cls‘𝐾)‘𝑆) ∈ (Clsd‘𝐾))
4	1, 3	sylan 580	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → ((cls‘𝐾)‘𝑆) ∈ (Clsd‘𝐾))
5		cnclima 22415	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ ((cls‘𝐾)‘𝑆) ∈ (Clsd‘𝐾)) → (◡𝐹 “ ((cls‘𝐾)‘𝑆)) ∈ (Clsd‘𝐽))
6	4, 5	syldan 591	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ ((cls‘𝐾)‘𝑆)) ∈ (Clsd‘𝐽))
7	2	sscls 22203	. . . 4 ⊢ ((𝐾 ∈ Top ∧ 𝑆 ⊆ 𝑌) → 𝑆 ⊆ ((cls‘𝐾)‘𝑆))
8	1, 7	sylan 580	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → 𝑆 ⊆ ((cls‘𝐾)‘𝑆))
9		imass2 6008	. . 3 ⊢ (𝑆 ⊆ ((cls‘𝐾)‘𝑆) → (◡𝐹 “ 𝑆) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆)))
10	8, 9	syl 17	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ 𝑆) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆)))
11		eqid 2740	. . 3 ⊢ ∪ 𝐽 = ∪ 𝐽
12	11	clsss2 22219	. 2 ⊢ (((◡𝐹 “ ((cls‘𝐾)‘𝑆)) ∈ (Clsd‘𝐽) ∧ (◡𝐹 “ 𝑆) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆))) → ((cls‘𝐽)‘(◡𝐹 “ 𝑆)) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆)))
13	6, 10, 12	syl2anc 584	1 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → ((cls‘𝐽)‘(◡𝐹 “ 𝑆)) ⊆ (◡𝐹 “ ((cls‘𝐾)‘𝑆)))

Syntax hints:   → wi 4   ∧ wa 396   = wceq 1542   ∈ wcel 2110   ⊆ wss 3892  ∪ cuni 4845  ^◡ccnv 5588   “ cima 5592  ‘cfv 6431  (class class class)co 7269  Topctop 22038  Clsdccld 22163  clsccl 22165   Cn ccn 22371

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2015  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2158  ax-12 2175  ax-ext 2711  ax-rep 5214  ax-sep 5227  ax-nul 5234  ax-pow 5292  ax-pr 5356  ax-un 7580

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2072  df-mo 2542  df-eu 2571  df-clab 2718  df-cleq 2732  df-clel 2818  df-nfc 2891  df-ne 2946  df-ral 3071  df-rex 3072  df-reu 3073  df-rab 3075  df-v 3433  df-sbc 3721  df-csb 3838  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4846  df-int 4886  df-iun 4932  df-iin 4933  df-br 5080  df-opab 5142  df-mpt 5163  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6389  df-fun 6433  df-fn 6434  df-f 6435  df-f1 6436  df-fo 6437  df-f1o 6438  df-fv 6439  df-ov 7272  df-oprab 7273  df-mpo 7274  df-map 8598  df-top 22039  df-topon 22056  df-cld 22166  df-cls 22168  df-cn 22374

This theorem is referenced by:  cnclsi  22419  cncls2  22420  imasncls  22839  hmeocls  22915  clssubg  23256