Theorem cnntri 22422

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

Hypothesis

Ref	Expression
cncls2i.1	⊢ 𝑌 = ∪ 𝐾

Assertion

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

Proof of Theorem cnntri

Step	Hyp	Ref	Expression
1		cntop1 22391	. . 3 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐽 ∈ Top)
2	1	adantr 481	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → 𝐽 ∈ Top)
3		cnvimass 5989	. . 3 ⊢ (◡𝐹 “ 𝑆) ⊆ dom 𝐹
4		eqid 2738	. . . . . 6 ⊢ ∪ 𝐽 = ∪ 𝐽
5		cncls2i.1	. . . . . 6 ⊢ 𝑌 = ∪ 𝐾
6	4, 5	cnf 22397	. . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐹:∪ 𝐽⟶𝑌)
7	6	fdmd 6611	. . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → dom 𝐹 = ∪ 𝐽)
8	7	adantr 481	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → dom 𝐹 = ∪ 𝐽)
9	3, 8	sseqtrid 3973	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ 𝑆) ⊆ ∪ 𝐽)
10		cntop2 22392	. . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
11	5	ntropn 22200	. . . 4 ⊢ ((𝐾 ∈ Top ∧ 𝑆 ⊆ 𝑌) → ((int‘𝐾)‘𝑆) ∈ 𝐾)
12	10, 11	sylan 580	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → ((int‘𝐾)‘𝑆) ∈ 𝐾)
13		cnima 22416	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ ((int‘𝐾)‘𝑆) ∈ 𝐾) → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ∈ 𝐽)
14	12, 13	syldan 591	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ∈ 𝐽)
15	5	ntrss2 22208	. . . 4 ⊢ ((𝐾 ∈ Top ∧ 𝑆 ⊆ 𝑌) → ((int‘𝐾)‘𝑆) ⊆ 𝑆)
16	10, 15	sylan 580	. . 3 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → ((int‘𝐾)‘𝑆) ⊆ 𝑆)
17		imass2 6010	. . 3 ⊢ (((int‘𝐾)‘𝑆) ⊆ 𝑆 → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ⊆ (◡𝐹 “ 𝑆))
18	16, 17	syl 17	. 2 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ⊆ (◡𝐹 “ 𝑆))
19	4	ssntr 22209	. 2 ⊢ (((𝐽 ∈ Top ∧ (◡𝐹 “ 𝑆) ⊆ ∪ 𝐽) ∧ ((◡𝐹 “ ((int‘𝐾)‘𝑆)) ∈ 𝐽 ∧ (◡𝐹 “ ((int‘𝐾)‘𝑆)) ⊆ (◡𝐹 “ 𝑆))) → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ⊆ ((int‘𝐽)‘(◡𝐹 “ 𝑆)))
20	2, 9, 14, 18, 19	syl22anc 836	1 ⊢ ((𝐹 ∈ (𝐽 Cn 𝐾) ∧ 𝑆 ⊆ 𝑌) → (◡𝐹 “ ((int‘𝐾)‘𝑆)) ⊆ ((int‘𝐽)‘(◡𝐹 “ 𝑆)))

Syntax hints:   → wi 4   ∧ wa 396   = wceq 1539   ∈ wcel 2106   ⊆ wss 3887  ∪ cuni 4839  ^◡ccnv 5588  dom cdm 5589   “ cima 5592  ‘cfv 6433  (class class class)co 7275  Topctop 22042  intcnt 22168   Cn ccn 22375

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  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 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-ov 7278  df-oprab 7279  df-mpo 7280  df-map 8617  df-top 22043  df-topon 22060  df-ntr 22171  df-cn 22378

This theorem is referenced by:  cnntr  22426  hmeontr  22920  cnneiima  46210