| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cvmlift3.b | ⊢ 𝐵  =  ∪  𝐶 | 
						
							| 2 |  | cvmlift3.y | ⊢ 𝑌  =  ∪  𝐾 | 
						
							| 3 |  | cvmlift3.f | ⊢ ( 𝜑  →  𝐹  ∈  ( 𝐶  CovMap  𝐽 ) ) | 
						
							| 4 |  | cvmlift3.k | ⊢ ( 𝜑  →  𝐾  ∈  SConn ) | 
						
							| 5 |  | cvmlift3.l | ⊢ ( 𝜑  →  𝐾  ∈  𝑛-Locally  PConn ) | 
						
							| 6 |  | cvmlift3.o | ⊢ ( 𝜑  →  𝑂  ∈  𝑌 ) | 
						
							| 7 |  | cvmlift3.g | ⊢ ( 𝜑  →  𝐺  ∈  ( 𝐾  Cn  𝐽 ) ) | 
						
							| 8 |  | cvmlift3.p | ⊢ ( 𝜑  →  𝑃  ∈  𝐵 ) | 
						
							| 9 |  | cvmlift3.e | ⊢ ( 𝜑  →  ( 𝐹 ‘ 𝑃 )  =  ( 𝐺 ‘ 𝑂 ) ) | 
						
							| 10 |  | eqeq2 | ⊢ ( 𝑏  =  𝑧  →  ( ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏  ↔  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) | 
						
							| 11 | 10 | 3anbi3d | ⊢ ( 𝑏  =  𝑧  →  ( ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏 )  ↔  ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 12 | 11 | rexbidv | ⊢ ( 𝑏  =  𝑧  →  ( ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏 )  ↔  ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 13 | 12 | cbvriotavw | ⊢ ( ℩ 𝑏  ∈  𝐵 ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏 ) )  =  ( ℩ 𝑧  ∈  𝐵 ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) | 
						
							| 14 |  | fveq1 | ⊢ ( 𝑐  =  𝑓  →  ( 𝑐 ‘ 0 )  =  ( 𝑓 ‘ 0 ) ) | 
						
							| 15 | 14 | eqeq1d | ⊢ ( 𝑐  =  𝑓  →  ( ( 𝑐 ‘ 0 )  =  𝑂  ↔  ( 𝑓 ‘ 0 )  =  𝑂 ) ) | 
						
							| 16 |  | fveq1 | ⊢ ( 𝑐  =  𝑓  →  ( 𝑐 ‘ 1 )  =  ( 𝑓 ‘ 1 ) ) | 
						
							| 17 | 16 | eqeq1d | ⊢ ( 𝑐  =  𝑓  →  ( ( 𝑐 ‘ 1 )  =  𝑎  ↔  ( 𝑓 ‘ 1 )  =  𝑎 ) ) | 
						
							| 18 |  | coeq2 | ⊢ ( 𝑑  =  𝑔  →  ( 𝐹  ∘  𝑑 )  =  ( 𝐹  ∘  𝑔 ) ) | 
						
							| 19 | 18 | eqeq1d | ⊢ ( 𝑑  =  𝑔  →  ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ↔  ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 ) ) ) | 
						
							| 20 |  | fveq1 | ⊢ ( 𝑑  =  𝑔  →  ( 𝑑 ‘ 0 )  =  ( 𝑔 ‘ 0 ) ) | 
						
							| 21 | 20 | eqeq1d | ⊢ ( 𝑑  =  𝑔  →  ( ( 𝑑 ‘ 0 )  =  𝑃  ↔  ( 𝑔 ‘ 0 )  =  𝑃 ) ) | 
						
							| 22 | 19 21 | anbi12d | ⊢ ( 𝑑  =  𝑔  →  ( ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 )  ↔  ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ) | 
						
							| 23 | 22 | cbvriotavw | ⊢ ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) )  =  ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) | 
						
							| 24 |  | coeq2 | ⊢ ( 𝑐  =  𝑓  →  ( 𝐺  ∘  𝑐 )  =  ( 𝐺  ∘  𝑓 ) ) | 
						
							| 25 | 24 | eqeq2d | ⊢ ( 𝑐  =  𝑓  →  ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 )  ↔  ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 ) ) ) | 
						
							| 26 | 25 | anbi1d | ⊢ ( 𝑐  =  𝑓  →  ( ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 )  ↔  ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ) | 
						
							| 27 | 26 | riotabidv | ⊢ ( 𝑐  =  𝑓  →  ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) )  =  ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ) | 
						
							| 28 | 23 27 | eqtrid | ⊢ ( 𝑐  =  𝑓  →  ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) )  =  ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ) | 
						
							| 29 | 28 | fveq1d | ⊢ ( 𝑐  =  𝑓  →  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 ) ) | 
						
							| 30 | 29 | eqeq1d | ⊢ ( 𝑐  =  𝑓  →  ( ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧  ↔  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) | 
						
							| 31 | 15 17 30 | 3anbi123d | ⊢ ( 𝑐  =  𝑓  →  ( ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 )  ↔  ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 32 | 31 | cbvrexvw | ⊢ ( ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 )  ↔  ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) | 
						
							| 33 |  | eqeq2 | ⊢ ( 𝑎  =  𝑥  →  ( ( 𝑓 ‘ 1 )  =  𝑎  ↔  ( 𝑓 ‘ 1 )  =  𝑥 ) ) | 
						
							| 34 | 33 | 3anbi2d | ⊢ ( 𝑎  =  𝑥  →  ( ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 )  ↔  ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 35 | 34 | rexbidv | ⊢ ( 𝑎  =  𝑥  →  ( ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 )  ↔  ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 36 | 32 35 | bitrid | ⊢ ( 𝑎  =  𝑥  →  ( ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 )  ↔  ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 37 | 36 | riotabidv | ⊢ ( 𝑎  =  𝑥  →  ( ℩ 𝑧  ∈  𝐵 ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) )  =  ( ℩ 𝑧  ∈  𝐵 ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 38 | 13 37 | eqtrid | ⊢ ( 𝑎  =  𝑥  →  ( ℩ 𝑏  ∈  𝐵 ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏 ) )  =  ( ℩ 𝑧  ∈  𝐵 ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 39 | 38 | cbvmptv | ⊢ ( 𝑎  ∈  𝑌  ↦  ( ℩ 𝑏  ∈  𝐵 ∃ 𝑐  ∈  ( II  Cn  𝐾 ) ( ( 𝑐 ‘ 0 )  =  𝑂  ∧  ( 𝑐 ‘ 1 )  =  𝑎  ∧  ( ( ℩ 𝑑  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑑 )  =  ( 𝐺  ∘  𝑐 )  ∧  ( 𝑑 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑏 ) ) )  =  ( 𝑥  ∈  𝑌  ↦  ( ℩ 𝑧  ∈  𝐵 ∃ 𝑓  ∈  ( II  Cn  𝐾 ) ( ( 𝑓 ‘ 0 )  =  𝑂  ∧  ( 𝑓 ‘ 1 )  =  𝑥  ∧  ( ( ℩ 𝑔  ∈  ( II  Cn  𝐶 ) ( ( 𝐹  ∘  𝑔 )  =  ( 𝐺  ∘  𝑓 )  ∧  ( 𝑔 ‘ 0 )  =  𝑃 ) ) ‘ 1 )  =  𝑧 ) ) ) | 
						
							| 40 |  | eqid | ⊢ ( 𝑘  ∈  𝐽  ↦  { 𝑠  ∈  ( 𝒫  𝐶  ∖  { ∅ } )  ∣  ( ∪  𝑠  =  ( ◡ 𝐹  “  𝑘 )  ∧  ∀ 𝑐  ∈  𝑠 ( ∀ 𝑑  ∈  ( 𝑠  ∖  { 𝑐 } ) ( 𝑐  ∩  𝑑 )  =  ∅  ∧  ( 𝐹  ↾  𝑐 )  ∈  ( ( 𝐶  ↾t  𝑐 ) Homeo ( 𝐽  ↾t  𝑘 ) ) ) ) } )  =  ( 𝑘  ∈  𝐽  ↦  { 𝑠  ∈  ( 𝒫  𝐶  ∖  { ∅ } )  ∣  ( ∪  𝑠  =  ( ◡ 𝐹  “  𝑘 )  ∧  ∀ 𝑐  ∈  𝑠 ( ∀ 𝑑  ∈  ( 𝑠  ∖  { 𝑐 } ) ( 𝑐  ∩  𝑑 )  =  ∅  ∧  ( 𝐹  ↾  𝑐 )  ∈  ( ( 𝐶  ↾t  𝑐 ) Homeo ( 𝐽  ↾t  𝑘 ) ) ) ) } ) | 
						
							| 41 | 40 | cvmscbv | ⊢ ( 𝑘  ∈  𝐽  ↦  { 𝑠  ∈  ( 𝒫  𝐶  ∖  { ∅ } )  ∣  ( ∪  𝑠  =  ( ◡ 𝐹  “  𝑘 )  ∧  ∀ 𝑐  ∈  𝑠 ( ∀ 𝑑  ∈  ( 𝑠  ∖  { 𝑐 } ) ( 𝑐  ∩  𝑑 )  =  ∅  ∧  ( 𝐹  ↾  𝑐 )  ∈  ( ( 𝐶  ↾t  𝑐 ) Homeo ( 𝐽  ↾t  𝑘 ) ) ) ) } )  =  ( 𝑎  ∈  𝐽  ↦  { 𝑏  ∈  ( 𝒫  𝐶  ∖  { ∅ } )  ∣  ( ∪  𝑏  =  ( ◡ 𝐹  “  𝑎 )  ∧  ∀ 𝑣  ∈  𝑏 ( ∀ 𝑢  ∈  ( 𝑏  ∖  { 𝑣 } ) ( 𝑣  ∩  𝑢 )  =  ∅  ∧  ( 𝐹  ↾  𝑣 )  ∈  ( ( 𝐶  ↾t  𝑣 ) Homeo ( 𝐽  ↾t  𝑎 ) ) ) ) } ) | 
						
							| 42 | 1 2 3 4 5 6 7 8 9 39 41 | cvmlift3lem9 | ⊢ ( 𝜑  →  ∃ 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 ) ) | 
						
							| 43 |  | sconnpconn | ⊢ ( 𝐾  ∈  SConn  →  𝐾  ∈  PConn ) | 
						
							| 44 |  | pconnconn | ⊢ ( 𝐾  ∈  PConn  →  𝐾  ∈  Conn ) | 
						
							| 45 | 4 43 44 | 3syl | ⊢ ( 𝜑  →  𝐾  ∈  Conn ) | 
						
							| 46 |  | pconnconn | ⊢ ( 𝑥  ∈  PConn  →  𝑥  ∈  Conn ) | 
						
							| 47 | 46 | ssriv | ⊢ PConn  ⊆  Conn | 
						
							| 48 |  | nllyss | ⊢ ( PConn  ⊆  Conn  →  𝑛-Locally  PConn  ⊆  𝑛-Locally  Conn ) | 
						
							| 49 | 47 48 | ax-mp | ⊢ 𝑛-Locally  PConn  ⊆  𝑛-Locally  Conn | 
						
							| 50 | 49 5 | sselid | ⊢ ( 𝜑  →  𝐾  ∈  𝑛-Locally  Conn ) | 
						
							| 51 | 1 2 3 45 50 6 7 8 9 | cvmliftmo | ⊢ ( 𝜑  →  ∃* 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 ) ) | 
						
							| 52 |  | reu5 | ⊢ ( ∃! 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 )  ↔  ( ∃ 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 )  ∧  ∃* 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 ) ) ) | 
						
							| 53 | 42 51 52 | sylanbrc | ⊢ ( 𝜑  →  ∃! 𝑓  ∈  ( 𝐾  Cn  𝐶 ) ( ( 𝐹  ∘  𝑓 )  =  𝐺  ∧  ( 𝑓 ‘ 𝑂 )  =  𝑃 ) ) |