| Step | Hyp | Ref | Expression | 
						
							| 1 |  | pconntop | ⊢ ( 𝑥  ∈  PConn  →  𝑥  ∈  Top ) | 
						
							| 2 | 1 | ssriv | ⊢ PConn  ⊆  Top | 
						
							| 3 |  | fss | ⊢ ( ( 𝐹 : 𝐴 ⟶ PConn  ∧  PConn  ⊆  Top )  →  𝐹 : 𝐴 ⟶ Top ) | 
						
							| 4 | 2 3 | mpan2 | ⊢ ( 𝐹 : 𝐴 ⟶ PConn  →  𝐹 : 𝐴 ⟶ Top ) | 
						
							| 5 |  | pttop | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ Top )  →  ( ∏t ‘ 𝐹 )  ∈  Top ) | 
						
							| 6 | 4 5 | sylan2 | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  →  ( ∏t ‘ 𝐹 )  ∈  Top ) | 
						
							| 7 |  | fvi | ⊢ ( 𝐴  ∈  𝑉  →  (  I  ‘ 𝐴 )  =  𝐴 ) | 
						
							| 8 | 7 | ad2antrr | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  (  I  ‘ 𝐴 )  =  𝐴 ) | 
						
							| 9 | 8 | eleq2d | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ( 𝑡  ∈  (  I  ‘ 𝐴 )  ↔  𝑡  ∈  𝐴 ) ) | 
						
							| 10 | 9 | biimpa | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  (  I  ‘ 𝐴 ) )  →  𝑡  ∈  𝐴 ) | 
						
							| 11 |  | simplr | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝐹 : 𝐴 ⟶ PConn ) | 
						
							| 12 | 11 | ffvelcdmda | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  𝐴 )  →  ( 𝐹 ‘ 𝑡 )  ∈  PConn ) | 
						
							| 13 |  | simprl | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑥  ∈  ∪  ( ∏t ‘ 𝐹 ) ) | 
						
							| 14 |  | eqid | ⊢ ( ∏t ‘ 𝐹 )  =  ( ∏t ‘ 𝐹 ) | 
						
							| 15 | 14 | ptuni | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ Top )  →  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 )  =  ∪  ( ∏t ‘ 𝐹 ) ) | 
						
							| 16 | 4 15 | sylan2 | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  →  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 )  =  ∪  ( ∏t ‘ 𝐹 ) ) | 
						
							| 17 | 16 | adantr | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 )  =  ∪  ( ∏t ‘ 𝐹 ) ) | 
						
							| 18 | 13 17 | eleqtrrd | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑥  ∈  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 19 |  | vex | ⊢ 𝑥  ∈  V | 
						
							| 20 | 19 | elixp | ⊢ ( 𝑥  ∈  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 )  ↔  ( 𝑥  Fn  𝐴  ∧  ∀ 𝑡  ∈  𝐴 ( 𝑥 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) ) | 
						
							| 21 | 18 20 | sylib | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ( 𝑥  Fn  𝐴  ∧  ∀ 𝑡  ∈  𝐴 ( 𝑥 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) ) | 
						
							| 22 | 21 | simprd | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ∀ 𝑡  ∈  𝐴 ( 𝑥 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 23 | 22 | r19.21bi | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  𝐴 )  →  ( 𝑥 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 24 |  | simprr | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) | 
						
							| 25 | 24 17 | eleqtrrd | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑦  ∈  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 26 |  | vex | ⊢ 𝑦  ∈  V | 
						
							| 27 | 26 | elixp | ⊢ ( 𝑦  ∈  X 𝑡  ∈  𝐴 ∪  ( 𝐹 ‘ 𝑡 )  ↔  ( 𝑦  Fn  𝐴  ∧  ∀ 𝑡  ∈  𝐴 ( 𝑦 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) ) | 
						
							| 28 | 25 27 | sylib | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ( 𝑦  Fn  𝐴  ∧  ∀ 𝑡  ∈  𝐴 ( 𝑦 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) ) | 
						
							| 29 | 28 | simprd | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ∀ 𝑡  ∈  𝐴 ( 𝑦 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 30 | 29 | r19.21bi | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  𝐴 )  →  ( 𝑦 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) ) | 
						
							| 31 |  | eqid | ⊢ ∪  ( 𝐹 ‘ 𝑡 )  =  ∪  ( 𝐹 ‘ 𝑡 ) | 
						
							| 32 | 31 | pconncn | ⊢ ( ( ( 𝐹 ‘ 𝑡 )  ∈  PConn  ∧  ( 𝑥 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 )  ∧  ( 𝑦 ‘ 𝑡 )  ∈  ∪  ( 𝐹 ‘ 𝑡 ) )  →  ∃ 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) ) ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) | 
						
							| 33 | 12 23 30 32 | syl3anc | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  𝐴 )  →  ∃ 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) ) ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) | 
						
							| 34 |  | df-rex | ⊢ ( ∃ 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) ) ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) )  ↔  ∃ 𝑓 ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 35 | 33 34 | sylib | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  𝐴 )  →  ∃ 𝑓 ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 36 | 10 35 | syldan | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  𝑡  ∈  (  I  ‘ 𝐴 ) )  →  ∃ 𝑓 ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 37 | 36 | ralrimiva | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ∃ 𝑓 ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 38 |  | fvex | ⊢ (  I  ‘ 𝐴 )  ∈  V | 
						
							| 39 |  | eleq1 | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ↔  ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) ) ) ) | 
						
							| 40 |  | fveq1 | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( 𝑓 ‘ 0 )  =  ( ( 𝑔 ‘ 𝑡 ) ‘ 0 ) ) | 
						
							| 41 | 40 | eqeq1d | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ↔  ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 ) ) ) | 
						
							| 42 |  | fveq1 | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( 𝑓 ‘ 1 )  =  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 ) ) | 
						
							| 43 | 42 | eqeq1d | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 )  ↔  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) | 
						
							| 44 | 41 43 | anbi12d | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) )  ↔  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 45 | 39 44 | anbi12d | ⊢ ( 𝑓  =  ( 𝑔 ‘ 𝑡 )  →  ( ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) )  ↔  ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) ) | 
						
							| 46 | 38 45 | ac6s2 | ⊢ ( ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ∃ 𝑓 ( 𝑓  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( 𝑓 ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( 𝑓 ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) )  →  ∃ 𝑔 ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) ) | 
						
							| 47 | 37 46 | syl | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ∃ 𝑔 ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) ) | 
						
							| 48 |  | iitopon | ⊢ II  ∈  ( TopOn ‘ ( 0 [,] 1 ) ) | 
						
							| 49 | 48 | a1i | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  II  ∈  ( TopOn ‘ ( 0 [,] 1 ) ) ) | 
						
							| 50 |  | simplll | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝐴  ∈  𝑉 ) | 
						
							| 51 | 11 | adantr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝐹 : 𝐴 ⟶ PConn ) | 
						
							| 52 | 51 4 | syl | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝐹 : 𝐴 ⟶ Top ) | 
						
							| 53 | 8 | adantr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  (  I  ‘ 𝐴 )  =  𝐴 ) | 
						
							| 54 | 53 | eleq2d | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑖  ∈  (  I  ‘ 𝐴 )  ↔  𝑖  ∈  𝐴 ) ) | 
						
							| 55 | 54 | biimpar | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  𝑖  ∈  (  I  ‘ 𝐴 ) ) | 
						
							| 56 |  | simprr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) | 
						
							| 57 |  | fveq2 | ⊢ ( 𝑡  =  𝑖  →  ( 𝑔 ‘ 𝑡 )  =  ( 𝑔 ‘ 𝑖 ) ) | 
						
							| 58 |  | fveq2 | ⊢ ( 𝑡  =  𝑖  →  ( 𝐹 ‘ 𝑡 )  =  ( 𝐹 ‘ 𝑖 ) ) | 
						
							| 59 | 58 | oveq2d | ⊢ ( 𝑡  =  𝑖  →  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  =  ( II  Cn  ( 𝐹 ‘ 𝑖 ) ) ) | 
						
							| 60 | 57 59 | eleq12d | ⊢ ( 𝑡  =  𝑖  →  ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ↔  ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) ) ) ) | 
						
							| 61 | 57 | fveq1d | ⊢ ( 𝑡  =  𝑖  →  ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) ) | 
						
							| 62 |  | fveq2 | ⊢ ( 𝑡  =  𝑖  →  ( 𝑥 ‘ 𝑡 )  =  ( 𝑥 ‘ 𝑖 ) ) | 
						
							| 63 | 61 62 | eqeq12d | ⊢ ( 𝑡  =  𝑖  →  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ↔  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 ) ) ) | 
						
							| 64 | 57 | fveq1d | ⊢ ( 𝑡  =  𝑖  →  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) ) | 
						
							| 65 |  | fveq2 | ⊢ ( 𝑡  =  𝑖  →  ( 𝑦 ‘ 𝑡 )  =  ( 𝑦 ‘ 𝑖 ) ) | 
						
							| 66 | 64 65 | eqeq12d | ⊢ ( 𝑡  =  𝑖  →  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 )  ↔  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) | 
						
							| 67 | 63 66 | anbi12d | ⊢ ( 𝑡  =  𝑖  →  ( ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) )  ↔  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) ) | 
						
							| 68 | 60 67 | anbi12d | ⊢ ( 𝑡  =  𝑖  →  ( ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) )  ↔  ( ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) )  ∧  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) ) ) | 
						
							| 69 | 68 | rspccva | ⊢ ( ( ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) )  ∧  𝑖  ∈  (  I  ‘ 𝐴 ) )  →  ( ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) )  ∧  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) ) | 
						
							| 70 | 56 69 | sylan | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  (  I  ‘ 𝐴 ) )  →  ( ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) )  ∧  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) ) | 
						
							| 71 | 55 70 | syldan | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) )  ∧  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) ) | 
						
							| 72 | 71 | simpld | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) ) ) | 
						
							| 73 |  | iiuni | ⊢ ( 0 [,] 1 )  =  ∪  II | 
						
							| 74 |  | eqid | ⊢ ∪  ( 𝐹 ‘ 𝑖 )  =  ∪  ( 𝐹 ‘ 𝑖 ) | 
						
							| 75 | 73 74 | cnf | ⊢ ( ( 𝑔 ‘ 𝑖 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) )  →  ( 𝑔 ‘ 𝑖 ) : ( 0 [,] 1 ) ⟶ ∪  ( 𝐹 ‘ 𝑖 ) ) | 
						
							| 76 | 72 75 | syl | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( 𝑔 ‘ 𝑖 ) : ( 0 [,] 1 ) ⟶ ∪  ( 𝐹 ‘ 𝑖 ) ) | 
						
							| 77 | 76 | feqmptd | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( 𝑔 ‘ 𝑖 )  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) | 
						
							| 78 | 77 72 | eqeltrrd | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑖 ) ) ) | 
						
							| 79 | 14 49 50 52 78 | ptcn | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ) | 
						
							| 80 | 71 | simprd | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 )  ∧  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) ) | 
						
							| 81 | 80 | simpld | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑖 ) ) | 
						
							| 82 | 81 | mpteq2dva | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) )  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑥 ‘ 𝑖 ) ) ) | 
						
							| 83 |  | 0elunit | ⊢ 0  ∈  ( 0 [,] 1 ) | 
						
							| 84 |  | mptexg | ⊢ ( 𝐴  ∈  𝑉  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) )  ∈  V ) | 
						
							| 85 | 50 84 | syl | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) )  ∈  V ) | 
						
							| 86 |  | fveq2 | ⊢ ( 𝑧  =  0  →  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 )  =  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) ) | 
						
							| 87 | 86 | mpteq2dv | ⊢ ( 𝑧  =  0  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) ) ) | 
						
							| 88 |  | eqid | ⊢ ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) | 
						
							| 89 | 87 88 | fvmptg | ⊢ ( ( 0  ∈  ( 0 [,] 1 )  ∧  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) )  ∈  V )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) ) ) | 
						
							| 90 | 83 85 89 | sylancr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 0 ) ) ) | 
						
							| 91 | 21 | simpld | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑥  Fn  𝐴 ) | 
						
							| 92 | 91 | adantr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝑥  Fn  𝐴 ) | 
						
							| 93 |  | dffn5 | ⊢ ( 𝑥  Fn  𝐴  ↔  𝑥  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑥 ‘ 𝑖 ) ) ) | 
						
							| 94 | 92 93 | sylib | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝑥  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑥 ‘ 𝑖 ) ) ) | 
						
							| 95 | 82 90 94 | 3eqtr4d | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  𝑥 ) | 
						
							| 96 | 80 | simprd | ⊢ ( ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  ∧  𝑖  ∈  𝐴 )  →  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑖 ) ) | 
						
							| 97 | 96 | mpteq2dva | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) )  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑦 ‘ 𝑖 ) ) ) | 
						
							| 98 |  | 1elunit | ⊢ 1  ∈  ( 0 [,] 1 ) | 
						
							| 99 |  | mptexg | ⊢ ( 𝐴  ∈  𝑉  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) )  ∈  V ) | 
						
							| 100 | 50 99 | syl | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) )  ∈  V ) | 
						
							| 101 |  | fveq2 | ⊢ ( 𝑧  =  1  →  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 )  =  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) ) | 
						
							| 102 | 101 | mpteq2dv | ⊢ ( 𝑧  =  1  →  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) ) ) | 
						
							| 103 | 102 88 | fvmptg | ⊢ ( ( 1  ∈  ( 0 [,] 1 )  ∧  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) )  ∈  V )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) ) ) | 
						
							| 104 | 98 100 103 | sylancr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 1 ) ) ) | 
						
							| 105 | 28 | simpld | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  𝑦  Fn  𝐴 ) | 
						
							| 106 | 105 | adantr | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝑦  Fn  𝐴 ) | 
						
							| 107 |  | dffn5 | ⊢ ( 𝑦  Fn  𝐴  ↔  𝑦  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑦 ‘ 𝑖 ) ) ) | 
						
							| 108 | 106 107 | sylib | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  𝑦  =  ( 𝑖  ∈  𝐴  ↦  ( 𝑦 ‘ 𝑖 ) ) ) | 
						
							| 109 | 97 104 108 | 3eqtr4d | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  𝑦 ) | 
						
							| 110 |  | fveq1 | ⊢ ( 𝑓  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  →  ( 𝑓 ‘ 0 )  =  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 ) ) | 
						
							| 111 | 110 | eqeq1d | ⊢ ( 𝑓  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  →  ( ( 𝑓 ‘ 0 )  =  𝑥  ↔  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  𝑥 ) ) | 
						
							| 112 |  | fveq1 | ⊢ ( 𝑓  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  →  ( 𝑓 ‘ 1 )  =  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 ) ) | 
						
							| 113 | 112 | eqeq1d | ⊢ ( 𝑓  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  →  ( ( 𝑓 ‘ 1 )  =  𝑦  ↔  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  𝑦 ) ) | 
						
							| 114 | 111 113 | anbi12d | ⊢ ( 𝑓  =  ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  →  ( ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 )  ↔  ( ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  𝑥  ∧  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  𝑦 ) ) ) | 
						
							| 115 | 114 | rspcev | ⊢ ( ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) )  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) )  ∧  ( ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 0 )  =  𝑥  ∧  ( ( 𝑧  ∈  ( 0 [,] 1 )  ↦  ( 𝑖  ∈  𝐴  ↦  ( ( 𝑔 ‘ 𝑖 ) ‘ 𝑧 ) ) ) ‘ 1 )  =  𝑦 ) )  →  ∃ 𝑓  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 ) ) | 
						
							| 116 | 79 95 109 115 | syl12anc | ⊢ ( ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  ∧  ( 𝑔  Fn  (  I  ‘ 𝐴 )  ∧  ∀ 𝑡  ∈  (  I  ‘ 𝐴 ) ( ( 𝑔 ‘ 𝑡 )  ∈  ( II  Cn  ( 𝐹 ‘ 𝑡 ) )  ∧  ( ( ( 𝑔 ‘ 𝑡 ) ‘ 0 )  =  ( 𝑥 ‘ 𝑡 )  ∧  ( ( 𝑔 ‘ 𝑡 ) ‘ 1 )  =  ( 𝑦 ‘ 𝑡 ) ) ) ) )  →  ∃ 𝑓  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 ) ) | 
						
							| 117 | 47 116 | exlimddv | ⊢ ( ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  ∧  ( 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 )  ∧  𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ) )  →  ∃ 𝑓  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 ) ) | 
						
							| 118 | 117 | ralrimivva | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  →  ∀ 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 ) ∀ 𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ∃ 𝑓  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 ) ) | 
						
							| 119 |  | eqid | ⊢ ∪  ( ∏t ‘ 𝐹 )  =  ∪  ( ∏t ‘ 𝐹 ) | 
						
							| 120 | 119 | ispconn | ⊢ ( ( ∏t ‘ 𝐹 )  ∈  PConn  ↔  ( ( ∏t ‘ 𝐹 )  ∈  Top  ∧  ∀ 𝑥  ∈  ∪  ( ∏t ‘ 𝐹 ) ∀ 𝑦  ∈  ∪  ( ∏t ‘ 𝐹 ) ∃ 𝑓  ∈  ( II  Cn  ( ∏t ‘ 𝐹 ) ) ( ( 𝑓 ‘ 0 )  =  𝑥  ∧  ( 𝑓 ‘ 1 )  =  𝑦 ) ) ) | 
						
							| 121 | 6 118 120 | sylanbrc | ⊢ ( ( 𝐴  ∈  𝑉  ∧  𝐹 : 𝐴 ⟶ PConn )  →  ( ∏t ‘ 𝐹 )  ∈  PConn ) |